Fundies.
English

Segment disclosures

Company overview

OLIN CORPORATION

Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.

Revenue · Reported segment facts

40 dimension combinations 770 retained observations 20 reported periods Partial retained history

Counts describe retained dimensioned rows only. Periods and members can change across reports, and this view does not infer missing values or expected segment totals.

Aromaticsandallylics · Epoxy Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=oln:AromaticsandallylicsMember;us-gaap:StatementBusinessSegmentsAxis=oln:EpoxySegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30172300000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30316800000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31144500000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-31564700000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30128500000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-30400300000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-30130800000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-30271800000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31141000000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-31512200000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30105800000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-30389000000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30128300000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-30283200000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31154900000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-31525100000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-04-01 – 2023-06-30128700000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-30271000000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-31142300000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2022-01-01 – 2022-12-311338600000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30316800000 USD2022-10-27 · 15:27:01.000ZOpen filing evidence
2022-01-01 – 2022-09-301092900000 USD2022-10-27 · 15:27:01.000ZOpen filing evidence
2022-04-01 – 2022-06-30384100000 USD2022-07-29 · 15:48:01.000ZOpen filing evidence
2022-01-01 – 2022-06-30776100000 USD2022-07-29 · 15:48:01.000ZOpen filing evidence
2022-01-01 – 2022-03-31392000000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2021-01-01 – 2021-12-311450500000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence

Causticsoda · Chlor Alkali Productsand Vinyls Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=oln:CausticsodaMember;us-gaap:StatementBusinessSegmentsAxis=oln:ChlorAlkaliProductsandVinylsSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30348800000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30677300000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31328500000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-311632300000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30410200000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-301232100000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-30435100000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-30821900000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31386800000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-311526900000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30352100000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-301084600000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30376800000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-30732500000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31355700000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-311790000000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-30422300000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2023-01-01 – 2023-09-301424000000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2023-04-01 – 2023-06-30454900000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-301001700000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-31546800000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-312389100000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30598400000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-301752400000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-30635100000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-301154000000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31518900000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence

Chlorinechlorinederivativesandothercoproducts · Chlor Alkali Productsand Vinyls Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=oln:ChlorinechlorinederivativesandothercoproductsMember;us-gaap:StatementBusinessSegmentsAxis=oln:ChlorAlkaliProductsandVinylsSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30470700000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30899100000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31428400000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-312052100000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30513800000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-301595900000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-30544400000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-301082100000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31537700000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-312103300000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30519500000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-301591900000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30543500000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-301072400000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31528900000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-312205100000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-30547300000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2023-01-01 – 2023-09-301665000000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2023-04-01 – 2023-06-30547400000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-301117700000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2022-01-01 – 2022-12-312695900000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30665100000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-302159800000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-30768400000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-301494700000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2021-01-01 – 2021-12-312271500000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence

Commercial · Winchester Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=oln:CommercialMember;us-gaap:StatementBusinessSegmentsAxis=oln:WinchesterSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30192400000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30361200000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31168800000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-31636400000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30166000000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-30491600000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-30169700000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-30325600000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31155900000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-31836600000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30191600000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-30656400000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30222000000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-30464800000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31242800000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-31806500000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-04-01 – 2023-06-30199400000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-30399900000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2022-01-01 – 2022-12-311079100000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30271600000 USD2022-10-27 · 15:27:01.000ZOpen filing evidence
2022-01-01 – 2022-09-30906400000 USD2022-10-27 · 15:27:01.000ZOpen filing evidence
2022-04-01 – 2022-06-30320600000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-30634800000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31314200000 USD2022-04-29 · 16:34:18.000ZOpen filing evidence
2021-01-01 – 2021-12-311104100000 USD2022-02-24 · 19:41:20.000ZOpen filing evidence

Epoxyresins · Epoxy Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=oln:EpoxyresinsMember;us-gaap:StatementBusinessSegmentsAxis=oln:EpoxySegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30249800000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30460900000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31211100000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-31807100000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30221100000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-30612200000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-30200400000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-30391100000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31190700000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-31714100000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30179300000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-30555100000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30189400000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-30375800000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31186400000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-31804100000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-30204700000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2023-01-01 – 2023-09-30628200000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2023-04-01 – 2023-06-30205100000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-30423500000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-31218400000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-311351900000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30327300000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-301113400000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-03-31397500000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2021-01-01 – 2021-12-311735500000 USD2023-02-23 · 19:16:06.000ZOpen filing evidence

Militaryandlawenforcement · Winchester Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=oln:MilitaryandlawenforcementMember;us-gaap:StatementBusinessSegmentsAxis=oln:WinchesterSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30307900000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30609600000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31301700000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-311088200000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30273600000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-30783600000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-30277900000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-30510000000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31232100000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-31847000000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30241200000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-30591800000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30184000000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-30350600000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31166600000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-31702200000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-30199000000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2023-01-01 – 2023-09-30532200000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2023-04-01 – 2023-06-30167200000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-06-30333200000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-12-31521600000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30142500000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-30374300000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-30119300000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-30231800000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31112500000 USD2022-04-29 · 16:34:18.000ZOpen filing evidence
2021-01-01 – 2021-12-31479700000 USD2023-02-23 · 19:16:06.000ZOpen filing evidence

US · Chlor Alkali Productsand Vinyls Segment

Statement Geographical · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=country:US;us-gaap:StatementBusinessSegmentsAxis=oln:ChlorAlkaliProductsandVinylsSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30558400000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-301109200000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31550800000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-312529100000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30624700000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-301935800000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-30664200000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-301311100000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31646900000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-312561400000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30616900000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-301924000000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30671500000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-301307100000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31635600000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-312700000000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-30651000000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-302069800000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-30652300000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-301418800000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-31766500000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2022-01-01 – 2022-12-313400000000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30870800000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-302636600000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-30946400000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-301765800000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31819400000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2021-01-01 – 2021-12-312839100000 USD2023-02-23 · 19:16:06.000ZOpen filing evidence

US · Corporate Other

Statement Geographical · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=country:US;us-gaap:StatementBusinessSegmentsAxis=oln:CorporateOtherMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-310 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-310 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-310 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-300 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-300 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-310 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-310 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2025-02-20 · 21:09:42.000ZOpen filing evidence

US · Epoxy Segment

Statement Geographical · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=country:US;us-gaap:StatementBusinessSegmentsAxis=oln:EpoxySegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30196800000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30348400000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31151600000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-31559800000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30139500000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-30424400000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-30140800000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-30284900000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31144100000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-31606800000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30136200000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-30474300000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30166800000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-30338100000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31171300000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-31562800000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-30131400000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-30431800000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-30148800000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-30300400000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-31151600000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2022-01-01 – 2022-12-31855100000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30201000000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-30696700000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-03-31242800000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2021-01-01 – 2021-12-31926700000 USD2023-02-23 · 19:16:06.000ZOpen filing evidence

US · Winchester Segment

Statement Geographical · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=country:US;us-gaap:StatementBusinessSegmentsAxis=oln:WinchesterSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30455800000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30899400000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31443600000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-311497000000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30371900000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-301115000000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-30396900000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-30743100000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31346200000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-311489200000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30376900000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-301110100000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30351200000 RestatedUSD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-30733200000 RestatedUSD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31382000000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-311336600000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-30327700000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-30982900000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-30325300000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-30655200000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2022-01-01 – 2022-12-311467000000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30377200000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-301180300000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-30401200000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-30803100000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31401900000 USD2022-04-29 · 16:34:18.000ZOpen filing evidence
2021-01-01 – 2021-12-311502200000 USD2023-02-23 · 19:16:06.000ZOpen filing evidence

Otherforeign · Chlor Alkali Productsand Vinyls Segment

Statement Geographical · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=oln:OtherforeignMember;us-gaap:StatementBusinessSegmentsAxis=oln:ChlorAlkaliProductsandVinylsSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30226000000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30407500000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31181500000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-31995300000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30250900000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-30768600000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-30273300000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-30517700000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31244400000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-31884700000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30206200000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-30623200000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30203800000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-30417000000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31213200000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-311087200000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-30260700000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-30843900000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-30305000000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-06-30583200000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-03-31278200000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-311353100000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30311800000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-301041900000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-30374700000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-30730100000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31355400000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2021-01-01 – 2021-12-311098200000 USD2023-02-23 · 19:16:06.000ZOpen filing evidence

Otherforeign · Corporate Other

Statement Geographical · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=oln:OtherforeignMember;us-gaap:StatementBusinessSegmentsAxis=oln:CorporateOtherMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-310 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-310 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-310 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-300 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-300 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-310 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-310 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2025-02-20 · 21:09:42.000ZOpen filing evidence

Otherforeign · Epoxy Segment

Statement Geographical · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=oln:OtherforeignMember;us-gaap:StatementBusinessSegmentsAxis=oln:EpoxySegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30123000000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30226600000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31103600000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-31420500000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30122000000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-30304800000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-3097000000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-30182800000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-3185800000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-31307000000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-3073800000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-30230500000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-3076000000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-30156700000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-3180700000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-31427900000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-30105400000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-30325500000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-30107600000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-30220100000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-31112500000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-31653600000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30162800000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-30515900000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-30165400000 USD2022-07-29 · 15:48:01.000ZOpen filing evidence
2022-01-01 – 2022-06-30353100000 USD2022-07-29 · 15:48:01.000ZOpen filing evidence
2022-01-01 – 2022-03-31187700000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2021-01-01 – 2021-12-31801400000 USD2023-02-23 · 19:16:06.000ZOpen filing evidence

Otherforeign · Winchester Segment

Statement Geographical · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=oln:OtherforeignMember;us-gaap:StatementBusinessSegmentsAxis=oln:WinchesterSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3014900000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-3029900000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-3115000000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-31131700000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-3044900000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-30104400000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-3030300000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-3059500000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-3129200000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-3198700000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-3033700000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-3068400000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-3020200000 RestatedUSD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-3034700000 RestatedUSD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-3114500000 RestatedUSD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-31114800000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-3032700000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-3087000000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-3025500000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-3054300000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-3128700000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-3199600000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-3029400000 USD2022-10-27 · 15:27:01.000ZOpen filing evidence
2022-01-01 – 2022-09-3073400000 USD2022-10-27 · 15:27:01.000ZOpen filing evidence
2022-04-01 – 2022-06-3021900000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-3044000000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2021-01-01 – 2021-12-3162200000 USD2023-02-23 · 19:16:06.000ZOpen filing evidence

Europe · Chlor Alkali Productsand Vinyls Segment

Statement Geographical · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=srt:EuropeMember;us-gaap:StatementBusinessSegmentsAxis=oln:ChlorAlkaliProductsandVinylsSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3035100000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-3059700000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-3124600000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-31160000000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-3048400000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-30123600000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-3042000000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-3075200000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-3133200000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-31184100000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-3048500000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-30129300000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-3045000000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-3080800000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-3135800000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-31207900000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-3057900000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-30175300000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-3045000000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-06-30117400000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-03-3172400000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2022-01-01 – 2022-12-31331900000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-3080900000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-30233700000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-3082400000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-30152800000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-3170400000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2021-01-01 – 2021-12-31203500000 USD2023-02-23 · 19:16:06.000ZOpen filing evidence

Europe · Corporate Other

Statement Geographical · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=srt:EuropeMember;us-gaap:StatementBusinessSegmentsAxis=oln:CorporateOtherMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-310 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-310 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-310 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-300 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-300 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-310 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-310 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2025-02-20 · 21:09:42.000ZOpen filing evidence

Europe · Epoxy Segment

Statement Geographical · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=srt:EuropeMember;us-gaap:StatementBusinessSegmentsAxis=oln:EpoxySegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30102300000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30202700000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31100400000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-31391500000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-3088100000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-30283300000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-3093400000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-30195200000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31101800000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-31312500000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-3075100000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-30239300000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-3074900000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-30164200000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-3189300000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-31338500000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-3084800000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-30258800000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-3077400000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-06-30174000000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-03-3196600000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2022-01-01 – 2022-12-311181800000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30280300000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-30993700000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-30354500000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-30713400000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31359000000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2021-01-01 – 2021-12-311457900000 USD2022-02-24 · 19:41:20.000ZOpen filing evidence

Europe · Winchester Segment

Statement Geographical · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=srt:EuropeMember;us-gaap:StatementBusinessSegmentsAxis=oln:WinchesterSegmentMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3029600000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-3041500000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-3111900000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-3195900000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-3022800000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-01-01 – 2025-09-3055800000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2025-04-01 – 2025-06-3020400000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-3033000000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-3112600000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-3195700000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-3022200000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-3069700000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-3034600000 RestatedUSD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-3047500000 RestatedUSD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-3112900000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-3157300000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-3019800000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-3043400000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-3015800000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-3023600000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2022-01-01 – 2022-12-3134100000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-307500000 USD2022-10-27 · 15:27:01.000ZOpen filing evidence
2022-01-01 – 2022-09-3027000000 USD2022-10-27 · 15:27:01.000ZOpen filing evidence
2022-04-01 – 2022-06-3016800000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-3019500000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence

Chlor Alkali Productsand Vinyls Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:ChlorAlkaliProductsandVinylsSegmentMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30850800000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-302427200000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-04-01 – 2026-06-30819500000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-301576400000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31756900000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-313684400000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30924000000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-302828000000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-04-01 – 2025-06-30979500000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-301904000000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31924500000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-313630200000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30871600000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-302676500000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30920300000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-301804900000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31884600000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-313995100000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-30969600000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-303089000000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-301002300000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-302119400000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-311117100000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-315085000000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-301263500000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-303912200000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-301403500000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-302648700000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-311245200000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence

Chlor Alkali Productsand Vinyls Segment · Causticsoda

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:ChlorAlkaliProductsandVinylsSegmentMember;srt:ProductOrServiceAxis=oln:CausticsodaMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30363200000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-301040500000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-30410200000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-301232100000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-07-01 – 2024-09-30352100000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2024-01-01 – 2024-09-301084600000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-12-311790000000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-07-01 – 2023-09-30422300000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-301424000000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2022-01-01 – 2022-12-312389100000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-07-01 – 2022-09-30598400000 USD2022-10-27 · 15:27:01.000ZOpen filing evidence
2022-01-01 – 2022-09-301752400000 USD2022-10-27 · 15:27:01.000ZOpen filing evidence
2022-04-01 – 2022-06-30635100000 USD2022-07-29 · 15:48:01.000ZOpen filing evidence
2022-01-01 – 2022-06-301154000000 USD2022-07-29 · 15:48:01.000ZOpen filing evidence
2022-01-01 – 2022-03-31518900000 USD2022-04-29 · 16:34:18.000ZOpen filing evidence

Chlor Alkali Productsand Vinyls Segment · Chlorinechlorinederivativesandothercoproducts

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:ChlorAlkaliProductsandVinylsSegmentMember;srt:ProductOrServiceAxis=oln:ChlorinechlorinederivativesandothercoproductsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30487600000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-301386700000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-30513800000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-301595900000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-07-01 – 2024-09-30519500000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2024-01-01 – 2024-09-301591900000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2024-01-01 – 2024-03-31528900000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2023-07-01 – 2023-09-30547300000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-301665000000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-03-31570300000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-03-31726300000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence

Chlor Alkali Productsand Vinyls Segment · US

Statement Business Segments · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:ChlorAlkaliProductsandVinylsSegmentMember;srt:StatementGeographicalAxis=country:US
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30577800000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-301687000000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-30624700000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-301935800000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-01-01 – 2024-03-31635600000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2023-01-01 – 2023-12-312700000000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-01-01 – 2023-03-31766500000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-313400000000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-04-01 – 2022-06-30946400000 USD2022-07-29 · 15:48:01.000ZOpen filing evidence
2022-01-01 – 2022-06-301765800000 USD2022-07-29 · 15:48:01.000ZOpen filing evidence

Chlor Alkali Productsand Vinyls Segment · Otherforeign

Statement Business Segments · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:ChlorAlkaliProductsandVinylsSegmentMember;srt:StatementGeographicalAxis=oln:OtherforeignMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30237000000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-30644500000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-30250900000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-30768600000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-04-01 – 2024-06-30203800000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2024-01-01 – 2024-06-30417000000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-12-311087200000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-04-01 – 2023-06-30305000000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-30583200000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2022-01-01 – 2022-12-311353100000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-07-01 – 2022-09-30311800000 USD2022-10-27 · 15:27:01.000ZOpen filing evidence
2022-01-01 – 2022-09-301041900000 USD2022-10-27 · 15:27:01.000ZOpen filing evidence

Chlor Alkali Productsand Vinyls Segment · Europe

Statement Business Segments · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:ChlorAlkaliProductsandVinylsSegmentMember;srt:StatementGeographicalAxis=srt:EuropeMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-3036000000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-3095700000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-3048400000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-30123600000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-04-01 – 2024-06-3045000000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2024-01-01 – 2024-06-3080800000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2024-01-01 – 2024-03-3135800000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2023-01-01 – 2023-12-31207900000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-04-01 – 2023-06-3045000000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-30117400000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-3172400000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-31331900000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-01-01 – 2022-03-3170400000 USD2022-04-29 · 16:34:18.000ZOpen filing evidence

Corporate Other

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:CorporateOtherMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-04-01 – 2026-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-310 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-310 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-04-01 – 2025-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-300 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-310 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-310 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-300 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-300 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-300 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-310 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-310 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2022-01-01 – 2022-12-310 USD2025-02-20 · 21:09:42.000ZOpen filing evidence

Corporate Other · US

Statement Business Segments · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:CorporateOtherMember;srt:StatementGeographicalAxis=country:US
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence

Corporate Other · Otherforeign

Statement Business Segments · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:CorporateOtherMember;srt:StatementGeographicalAxis=oln:OtherforeignMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence

Corporate Other · Europe

Statement Business Segments · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:CorporateOtherMember;srt:StatementGeographicalAxis=srt:EuropeMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-300 USD2026-10-30 · 16:27:42.000ZOpen filing evidence

Epoxy Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:EpoxySegmentMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30412200000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-301189900000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-04-01 – 2026-06-30422100000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30777700000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31355600000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-311371800000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30349600000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-301012500000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-04-01 – 2025-06-30331200000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-30662900000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31331700000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-311226300000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30285100000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-30944100000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30317700000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-30659000000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31341300000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-311329200000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-30321600000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-301016100000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-30333800000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-30694500000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-31360700000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-312690500000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30644100000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-302206300000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-30772700000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-301562200000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31789500000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence

Epoxy Segment · Aromaticsandallylics

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:EpoxySegmentMember;srt:ProductOrServiceAxis=oln:AromaticsandallylicsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30169800000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-30486600000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-30128500000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-30400300000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-07-01 – 2024-09-30105800000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2024-01-01 – 2024-09-30389000000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2024-01-01 – 2024-03-31154900000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2023-07-01 – 2023-09-30116900000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-30387900000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-30128700000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-06-30271000000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-03-31142300000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-311338600000 USD2023-02-23 · 19:16:06.000ZOpen filing evidence
2022-07-01 – 2022-09-30316800000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-301092900000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-30384100000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-30776100000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31392000000 USD2022-04-29 · 16:34:18.000ZOpen filing evidence

Epoxy Segment · Epoxyresins

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:EpoxySegmentMember;srt:ProductOrServiceAxis=oln:EpoxyresinsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30242400000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-30703300000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-30221100000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-30612200000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-07-01 – 2024-09-30179300000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2024-01-01 – 2024-09-30555100000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-12-31804100000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-07-01 – 2023-09-30204700000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-30628200000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-30205100000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-06-30423500000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-12-311351900000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-04-01 – 2022-06-30388600000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-30786100000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31397500000 USD2022-04-29 · 16:34:18.000ZOpen filing evidence

Epoxy Segment · US

Statement Business Segments · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:EpoxySegmentMember;srt:StatementGeographicalAxis=country:US
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30208700000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-30557100000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-30139500000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-30424400000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-01-01 – 2024-03-31171300000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2023-01-01 – 2023-12-31562800000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-04-01 – 2023-06-30148800000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-06-30300400000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-03-31151600000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-31855100000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-04-01 – 2022-06-30252800000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-30495700000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31242800000 USD2022-04-29 · 16:34:18.000ZOpen filing evidence

Epoxy Segment · Otherforeign

Statement Business Segments · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:EpoxySegmentMember;srt:StatementGeographicalAxis=oln:OtherforeignMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30101400000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-30328000000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-30122000000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-30304800000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2023-01-01 – 2023-12-31427900000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-04-01 – 2023-06-30107600000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2023-01-01 – 2023-06-30220100000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-12-31653600000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-04-01 – 2022-06-30165400000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-30353100000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31187700000 USD2022-04-29 · 16:34:18.000ZOpen filing evidence

Epoxy Segment · Europe

Statement Business Segments · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:EpoxySegmentMember;srt:StatementGeographicalAxis=srt:EuropeMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30102100000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-30304800000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-3088100000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-30283300000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-04-01 – 2024-06-3074900000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2024-01-01 – 2024-06-30164200000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2024-01-01 – 2024-03-3189300000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2023-01-01 – 2023-12-31338500000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-04-01 – 2023-06-3077400000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-30174000000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-3196600000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-311181800000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-04-01 – 2022-06-30354500000 USD2022-07-29 · 15:48:01.000ZOpen filing evidence
2022-01-01 – 2022-06-30713400000 USD2022-07-29 · 15:48:01.000ZOpen filing evidence
2022-01-01 – 2022-03-31359000000 USD2022-04-29 · 16:34:18.000ZOpen filing evidence

Winchester Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:WinchesterSegmentMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30484700000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-301455500000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-04-01 – 2026-06-30500300000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-06-30970800000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2026-01-01 – 2026-03-31470500000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2025-01-01 – 2025-12-311724600000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2025-07-01 – 2025-09-30439600000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-301275200000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-04-01 – 2025-06-30447600000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-06-30835600000 USD2026-07-31 · 15:55:54.000ZOpen filing evidence
2025-01-01 – 2025-03-31388000000 USD2026-05-08 · 15:05:27.000ZOpen filing evidence
2024-01-01 – 2024-12-311683600000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2024-07-01 – 2024-09-30432800000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-01-01 – 2024-09-301248200000 USD2025-10-28 · 16:48:59.000ZOpen filing evidence
2024-04-01 – 2024-06-30406000000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-06-30815400000 USD2025-07-29 · 19:53:45.000ZOpen filing evidence
2024-01-01 – 2024-03-31409400000 USD2025-05-02 · 15:40:03.000ZOpen filing evidence
2023-01-01 – 2023-12-311508700000 USD2026-02-20 · 14:49:06.000ZOpen filing evidence
2023-07-01 – 2023-09-30380200000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-301113300000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-30366600000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-30733100000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-31366500000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-311600700000 USD2025-02-20 · 21:09:42.000ZOpen filing evidence
2022-07-01 – 2022-09-30414100000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-301280700000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-04-01 – 2022-06-30439900000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-06-30866600000 USD2023-07-28 · 16:06:27.000ZOpen filing evidence
2022-01-01 – 2022-03-31426700000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence

Winchester Segment · Commercial

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:WinchesterSegmentMember;srt:ProductOrServiceAxis=oln:CommercialMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30206600000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-30567800000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-30168900000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-30491600000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-07-01 – 2024-09-30191600000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2024-01-01 – 2024-09-30656400000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2024-01-01 – 2024-03-31242800000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2023-01-01 – 2023-12-31806500000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-07-01 – 2023-09-30181200000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-30581100000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-03-31200500000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-311079100000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-07-01 – 2022-09-30271600000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-30906400000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-03-31314200000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence

Winchester Segment · Militaryandlawenforcement

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:WinchesterSegmentMember;srt:ProductOrServiceAxis=oln:MilitaryandlawenforcementMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30278100000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-30887700000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-30270700000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-30783600000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-07-01 – 2024-09-30241200000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2024-01-01 – 2024-09-30591800000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2024-04-01 – 2024-06-30184000000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2024-01-01 – 2024-06-30350600000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2024-01-01 – 2024-03-31166600000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2023-01-01 – 2023-12-31702200000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-07-01 – 2023-09-30199000000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-01-01 – 2023-09-30532200000 USD2024-10-25 · 16:27:00.000ZOpen filing evidence
2023-04-01 – 2023-06-30167200000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-06-30333200000 USD2024-07-26 · 15:51:21.000ZOpen filing evidence
2023-01-01 – 2023-03-31166000000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-31521600000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-01-01 – 2022-03-31112500000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence

Winchester Segment · US

Statement Business Segments · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:WinchesterSegmentMember;srt:StatementGeographicalAxis=country:US
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30436800000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-301336200000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-30371900000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-301115000000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-01-01 – 2024-03-31382100000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2023-01-01 – 2023-12-311336600000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-01-01 – 2023-03-31329900000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-311467000000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-01-01 – 2022-03-31401900000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence

Winchester Segment · Otherforeign

Statement Business Segments · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:WinchesterSegmentMember;srt:StatementGeographicalAxis=oln:OtherforeignMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-3043900000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-3073800000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-3044900000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-30104400000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2023-01-01 – 2023-12-31114800000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-07-01 – 2023-09-3032700000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2023-01-01 – 2023-09-3087000000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2023-01-01 – 2023-03-3128700000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence
2022-01-01 – 2022-12-3199600000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-07-01 – 2022-09-3029400000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-3073400000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-03-3122100000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence

Winchester Segment · Europe

Statement Business Segments · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=oln:WinchesterSegmentMember;srt:StatementGeographicalAxis=srt:EuropeMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-304000000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2026-01-01 – 2026-09-3045500000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-07-01 – 2025-09-3022800000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2025-01-01 – 2025-09-3055800000 USD2026-10-30 · 16:27:42.000ZOpen filing evidence
2024-01-01 – 2024-03-316900000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2023-01-01 – 2023-12-3157300000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2023-07-01 – 2023-09-3019800000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2023-01-01 – 2023-09-3043400000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2023-01-01 – 2023-03-317900000 USD2024-04-26 · 16:59:39.000ZOpen filing evidence
2022-01-01 – 2022-12-3134100000 USD2024-02-22 · 20:16:43.000ZOpen filing evidence
2022-07-01 – 2022-09-307500000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-09-3027000000 USD2023-10-27 · 14:49:03.000ZOpen filing evidence
2022-01-01 – 2022-03-312700000 USD2023-04-28 · 16:17:53.000ZOpen filing evidence