Segment disclosures

Company overview

SEADRILL LTD

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

Revenue · Reported segment facts

6 dimension combinations 52 retained observations 9 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.

Floaters

Statement Business Segments

Multiple units reported for the same period; values are kept separate.

Source dimensions us-gaap:StatementBusinessSegmentsAxis=sdrl:FloatersMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-12-311387000000 USD20180413Open filing evidence
2016-01-01 – 2016-12-312212000000 USD20180413Open filing evidence
2015-01-01 – 2015-12-312906000000 USD20180413Open filing evidence
2014-01-01 – 2014-12-313360000000 USD20170427Open filing evidence
2013-01-01 – 2013-12-313698000000 USD20160428Open filing evidence
2012-01-01 – 2012-12-312859000000 U00120130430Open filing evidence
2012-01-01 – 2012-12-312859000000 USD20150421Open filing evidence
2011-01-01 – 2011-12-312694000000 U00120130430Open filing evidence
2011-01-01 – 2011-12-312694000000 U00220121023Open filing evidence
2011-01-01 – 2011-12-312694000000 USD20140417Open filing evidence
2010-01-01 – 2010-12-312264000000 U00120130430Open filing evidence
2010-01-01 – 2010-12-312264000000 U00220121023Open filing evidence
2009-01-01 – 2009-12-311864000000 U00220121023Open filing evidence

Jack-Up Rigs

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=sdrl:Jack-UpRigsMember
PeriodValueUnitFiledEvidence
2011-01-01 – 2011-12-31776000000 U00220121023Open filing evidence
2010-01-01 – 2010-12-31578000000 U00220121023Open filing evidence
2009-01-01 – 2009-12-31388000000 U00220121023Open filing evidence

Jack Up Rigs

Statement Business Segments

Multiple units reported for the same period; values are kept separate.

Source dimensions us-gaap:StatementBusinessSegmentsAxis=sdrl:JackUpRigsMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-12-31617000000 USD20180413Open filing evidence
2016-01-01 – 2016-12-31865000000 USD20180413Open filing evidence
2015-01-01 – 2015-12-311293000000 USD20180413Open filing evidence
2014-01-01 – 2014-12-311478000000 USD20170427Open filing evidence
2013-01-01 – 2013-12-311175000000 USD20160428Open filing evidence
2012-01-01 – 2012-12-31861000000 U00120130430Open filing evidence
2012-01-01 – 2012-12-31861000000 USD20150421Open filing evidence
2011-01-01 – 2011-12-31776000000 U00120130430Open filing evidence
2011-01-01 – 2011-12-31776000000 USD20140417Open filing evidence
2010-01-01 – 2010-12-31578000000 U00120130430Open filing evidence

Other Drilling Units

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=sdrl:OtherDrillingUnitsMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-12-3184000000 USD20180413Open filing evidence
2016-01-01 – 2016-12-3192000000 USD20180413Open filing evidence
2015-01-01 – 2015-12-31136000000 USD20180413Open filing evidence
2014-01-01 – 2014-12-31159000000 USD20170427Open filing evidence
2013-01-01 – 2013-12-3127000000 USD20160428Open filing evidence
2012-01-01 – 2012-12-310 USD20150421Open filing evidence

Tender Rigs

Statement Business Segments

Multiple units reported for the same period; values are kept separate.

Source dimensions us-gaap:StatementBusinessSegmentsAxis=sdrl:TenderRigsMember
PeriodValueUnitFiledEvidence
2015-01-01 – 2015-12-310 USD20160428Open filing evidence
2014-01-01 – 2014-12-310 USD20160428Open filing evidence
2013-01-01 – 2013-12-31382000000 RestatedUSD20160428Open filing evidence
2012-01-01 – 2012-12-31758000000 U00120130430Open filing evidence
2012-01-01 – 2012-12-31758000000 USD20150421Open filing evidence
2011-01-01 – 2011-12-31589000000 U00120130430Open filing evidence
2011-01-01 – 2011-12-31589000000 U00220121023Open filing evidence
2011-01-01 – 2011-12-31589000000 USD20140417Open filing evidence
2010-01-01 – 2010-12-31482000000 U00120130430Open filing evidence
2010-01-01 – 2010-12-31482000000 U00220121023Open filing evidence
2009-01-01 – 2009-12-31392000000 U00220121023Open filing evidence

Well Services

Statement Business Segments

Multiple units reported for the same period; values are kept separate.

Source dimensions us-gaap:StatementBusinessSegmentsAxis=sdrl:WellServicesMember
PeriodValueUnitFiledEvidence
2013-01-01 – 2013-12-310 USD20140417Open filing evidence
2012-01-01 – 2012-12-310 U00120130430Open filing evidence
2012-01-01 – 2012-12-310 USD20140417Open filing evidence
2011-01-01 – 2011-12-31133000000 U00120130430Open filing evidence
2011-01-01 – 2011-12-31133000000 U00220121023Open filing evidence
2011-01-01 – 2011-12-31133000000 USD20140417Open filing evidence
2010-01-01 – 2010-12-31717000000 U00120130430Open filing evidence
2010-01-01 – 2010-12-31717000000 U00220121023Open filing evidence
2009-01-01 – 2009-12-31610000000 U00220121023Open filing evidence