Segment disclosures

Company overview

EXPRESS SCRIPTS INC

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

Revenue · Reported segment facts

2 dimension combinations 22 retained observations 7 reported periods

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.

Em

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=esrx:EmMember
PeriodValueUnitFiledEvidence
2011-01-01 – 2011-12-311300600000 USD20120222Open filing evidence
2011-07-01 – 2011-09-30335900000 USD20111025Open filing evidence
2011-01-01 – 2011-09-30968100000 USD20111025Open filing evidence
2011-04-01 – 2011-06-30387900000 USD20110729Open filing evidence
2011-01-01 – 2011-06-30743700000 USD20110729Open filing evidence
2010-01-01 – 2010-12-311166300000 USD20120222Open filing evidence
2010-07-01 – 2010-09-30329300000 USD20111025Open filing evidence
2010-01-01 – 2010-09-30898300000 USD20111025Open filing evidence
2010-04-01 – 2010-06-30337200000 USD20110729Open filing evidence
2010-01-01 – 2010-06-30664200000 USD20110729Open filing evidence
2009-01-01 – 2009-12-311085400000 USD20120222Open filing evidence

Pbm

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=esrx:PbmMember
PeriodValueUnitFiledEvidence
2011-01-01 – 2011-12-3144827700000 USD20120222Open filing evidence
2011-07-01 – 2011-09-3011235100000 USD20111025Open filing evidence
2011-01-01 – 2011-09-3033058800000 USD20111025Open filing evidence
2011-04-01 – 2011-06-3010973500000 USD20110729Open filing evidence
2011-01-01 – 2011-06-3021712200000 USD20110729Open filing evidence
2010-01-01 – 2010-12-3143806900000 USD20120222Open filing evidence
2010-07-01 – 2010-09-3010922500000 USD20111025Open filing evidence
2010-01-01 – 2010-09-3032780700000 USD20111025Open filing evidence
2010-04-01 – 2010-06-3010951600000 USD20110729Open filing evidence
2010-01-01 – 2010-06-3021763000000 USD20110729Open filing evidence
2009-01-01 – 2009-12-3123636900000 USD20120222Open filing evidence