$RIG
Transocean Ltd. Stock $rig

$rig Overview Financials Valuation SEC Filings Company Website

2013 Q4 Form 10-K Financial Statement

#000145150514000031 Filed on February 27, 2014

Income Statement

Concept	2013 Q4	2013 Q3	2013
Revenue	$2.332B	$2.449B	$9.484B
YoY Change	0.26%	0.74%	3.13%
Cost Of Revenue	$1.461B	$1.386B	$5.791B
YoY Change	6.25%	4.92%	-5.16%
Gross Profit	$791.0M	$1.063B	$3.693B
YoY Change	-12.4%	-4.23%	19.51%
Gross Profit Margin	33.92%	43.41%	38.94%
Selling, General & Admin	$75.00M	$67.00M	$286.0M
YoY Change	15.38%	-2.9%	1.42%
% of Gross Profit	9.48%	6.3%	7.74%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$275.0M	$273.0M	$1.109B
YoY Change	-1.08%	-2.5%	-1.25%
% of Gross Profit	34.77%	25.68%	30.03%
Operating Expenses	$350.0M	$340.0M	$1.395B
YoY Change	2.34%	-2.58%	-0.64%
Operating Profit	$407.0M	$742.0M	$2.224B
YoY Change	-24.77%	-8.51%	40.67%
Interest Expense	-$126.0M	$142.0M	$584.0M
YoY Change	-24.55%	-21.11%	-19.23%
% of Operating Profit	-30.96%	19.14%	26.26%
Other Income/Expense, Net	-$8.000M	-$135.0M	-$560.0M
YoY Change	-55.56%	-21.97%	-21.68%
Pretax Income	$264.0M	$603.0M	$1.664B
YoY Change	-40.54%	-5.49%	92.15%
Income Tax	$44.00M	$63.00M	$258.0M
% Of Pretax Income	16.67%	10.45%	15.5%
Net Earnings	$233.0M	$546.0M	$1.407B
YoY Change	-48.9%	-243.31%	-742.47%
Net Earnings / Revenue	9.99%	22.29%	14.84%
Basic Earnings Per Share	$0.62	$1.50	$3.87
Diluted Earnings Per Share	$0.62	$1.50	$3.87
COMMON SHARES
Basic Shares Outstanding	361.0M shares	360.0M shares	360.0M shares
Diluted Shares Outstanding	361.0M shares	361.0M shares	360.0M shares

Balance Sheet

Concept	2013 Q4	2013 Q3	2013
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.084B	$3.559B	$3.084B
YoY Change	-33.95%	-40.69%	-33.95%
Cash & Equivalents	$3.243B	$3.559B	$3.084B
Short-Term Investments
Other Short-Term Assets	$331.0M	$414.0M	$783.0M
YoY Change	-13.35%	-6.76%	-32.96%
Inventory	$743.0M	$729.0M	$743.0M
Prepaid Expenses
Receivables	$2.112B	$2.367B	$2.112B
Other Receivables	$50.00M	$0.00	$50.00M
Total Short-Term Assets	$6.772B	$7.373B	$6.772B
YoY Change	-21.68%	-28.45%	-21.68%
LONG-TERM ASSETS
Property, Plant & Equipment	$21.71B	$21.10B	$21.71B
YoY Change	3.96%	3.11%	3.96%
Goodwill	$2.987B	$2.987B
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$1.080B	$1.145B	$1.080B
YoY Change	-37.97%	-26.7%	-37.97%
Total Long-Term Assets	$25.77B	$25.23B	$25.77B
YoY Change	0.65%	0.88%	0.65%
TOTAL ASSETS
Total Short-Term Assets	$6.772B	$7.373B	$6.772B
Total Long-Term Assets	$25.77B	$25.23B	$25.77B
Total Assets	$32.55B	$32.60B	$32.55B
YoY Change	-4.99%	-7.68%	-4.99%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.106B	$962.0M	$1.106B
YoY Change	5.64%	9.82%	5.64%
Accrued Expenses	$539.0M		$539.0M
YoY Change	-0.74%		-0.74%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$323.0M	$220.0M	$323.0M
YoY Change	-76.37%	-91.94%	-76.37%
Total Short-Term Liabilities	$3.554B	$3.776B	$3.554B
YoY Change	-34.94%	-43.65%	-34.94%
LONG-TERM LIABILITIES
Long-Term Debt	$10.38B	$10.51B	$10.38B
YoY Change	-6.43%	-7.73%	-6.43%
Other Long-Term Liabilities	$1.554B	$1.717B	$1.554B
YoY Change	-3.12%	13.18%	-3.12%
Total Long-Term Liabilities	$12.31B	$12.57B	$11.93B
YoY Change	-5.78%	-5.91%	-6.01%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.554B	$3.776B	$3.554B
Total Long-Term Liabilities	$12.31B	$12.57B	$11.93B
Total Liabilities	$15.86B	$16.34B	$15.86B
YoY Change	-14.38%	-18.52%	-14.34%
SHAREHOLDERS EQUITY
Retained Earnings	$5.262B	$5.029B
YoY Change	36.5%	47.96%
Common Stock	$5.147B
YoY Change	0.33%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$240.0M	$240.0M
YoY Change	0.0%	0.0%
Treasury Stock Shares	2.863M shares	2.863M shares
Shareholders Equity	$16.69B	$16.27B	$16.69B
YoY Change
Total Liabilities & Shareholders Equity	$32.55B	$32.60B	$32.55B
YoY Change	-4.99%	-7.68%	-4.99%

Cashflow Statement

Concept	2013 Q4	2013 Q3	2013
OPERATING ACTIVITIES
Net Income	$233.0M	$546.0M	$1.407B
YoY Change	-48.9%	-243.31%	-742.47%
Depreciation, Depletion And Amortization	$275.0M	$273.0M	$1.109B
YoY Change	-1.08%	-2.5%	-1.25%
Cash From Operating Activities	$773.0M	$623.0M	$1.918B
YoY Change	-16.25%	-20.74%	-29.17%
INVESTING ACTIVITIES
Capital Expenditures	-$948.0M	$450.0M	$2.238B
YoY Change	44.29%	123.88%	71.76%
Acquisitions
YoY Change
Other Investing Activities	$76.00M	-$2.000M	-$17.00M
YoY Change	-86.71%	-71.43%	-57.5%
Cash From Investing Activities	-$872.0M	-$210.0M	-$1.658B
YoY Change	925.88%	500.0%	326.22%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$77.00M	$1.692B
YoY Change		-70.83%	-25.85%
Cash From Financing Activities	-217.0M	-$211.0M	-$2.151B
YoY Change	-87.27%	-116.41%	78.95%
NET CHANGE
Cash From Operating Activities	773.0M	$623.0M	$1.918B
Cash From Investing Activities	-872.0M	-$210.0M	-$1.658B
Cash From Financing Activities	-217.0M	-$211.0M	-$2.151B
Net Change In Cash	-316.0M	$202.0M	-$1.891B
YoY Change	-63.55%	-90.08%	-269.29%
FREE CASH FLOW
Cash From Operating Activities	$773.0M	$623.0M	$1.918B
Capital Expenditures	-$948.0M	$450.0M	$2.238B
Free Cash Flow	$1.721B	$173.0M	-$320.0M
YoY Change	8.92%	-70.43%	-122.78%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2013Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	2006000000	USD
CY2013	rig	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Including Reclassification OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentIncludingReclassification	259000000	USD
CY2013Q1	rig	Administrative Agreement Term AdministrativeAgreementTerm	P5Y
CY2013Q1	us-gaap	Profit Loss ProfitLoss	329000000	USD
CY2012Q1	us-gaap	Minority Interest Ownership Percentage By Noncontrolling Owners MinorityInterestOwnershipPercentageByNoncontrollingOwners	0.50	pure
CY2012Q1	rig	Fair Value Adjustment Of Redeemable Non Controlling Interest FairValueAdjustmentOfRedeemableNonControllingInterest	-106000000	USD
CY2011Q4	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	116000000	USD
CY2010Q4	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	41000000	USD
CY2013	us-gaap	Revenue Oil And Gas Services RevenueOilAndGasServices	9070000000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	1171000000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	871000000	USD
CY2011	us-gaap	Disposal Group Including Discontinued Operation Depreciation And Amortization DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization	342000000	USD
CY2013	rig	Amortization Of Drilling Contract Intangibles AmortizationOfDrillingContractIntangibles	-15000000	USD
CY2012	rig	Amortization Of Drilling Contract Intangibles AmortizationOfDrillingContractIntangibles	-42000000	USD
CY2011	us-gaap	Discontinued Operation Amount Of Other Income Loss From Disposition Of Discontinued Operations Before Income Tax DiscontinuedOperationAmountOfOtherIncomeLossFromDispositionOfDiscontinuedOperationsBeforeIncomeTax	18000000	USD
CY2011	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	121000000	USD
CY2011	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Discontinued Operation During Phase Out Period DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod	36000000	USD
CY2012	us-gaap	Revenue Oil And Gas Services RevenueOilAndGasServices	8773000000	USD
CY2013Q4	rig	Disposal Group Including Discontinued Operation Materials And Supplies Held For Sale DisposalGroupIncludingDiscontinuedOperationMaterialsAndSuppliesHeldForSale	18000000	USD
CY2012Q4	rig	Disposal Group Including Discontinued Operation Rigs And Related Equipment Net Held For Sale DisposalGroupIncludingDiscontinuedOperationRigsAndRelatedEquipmentNetHeldForSale	104000000	USD
CY2012Q4	rig	Disposal Group Including Discontinued Operation Materials And Supplies Held For Sale DisposalGroupIncludingDiscontinuedOperationMaterialsAndSuppliesHeldForSale	71000000	USD
CY2012Q4	rig	Other Assets Included In Assets Held For Sale OtherAssetsIncludedInAssetsHeldForSale	4000000	USD
CY2012Q4	rig	Assets Of Disposal Group Included In Assets Held For Sale AssetsOfDisposalGroupIncludedInAssetsHeldForSale	179000000	USD
CY2013Q4	us-gaap	Disposal Group Including Discontinued Operation Deferred Revenue Current DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent	8000000	USD
CY2012Q4	us-gaap	Disposal Group Including Discontinued Operation Deferred Revenue Current DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent	32000000	USD
CY2012Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	3000000	USD
CY2012Q4	us-gaap	Disposal Group Including Discontinued Operation Other Current Liabilities DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities	35000000	USD
CY2013	rig	Number Of Trading Days Used To Calculate Average Stock Price NumberOfTradingDaysUsedToCalculateAverageStockPrice	P30D
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	113000000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	97000000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	95000000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	17000000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	12000000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	16000000	USD
CY2013	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	78000000	USD
CY2012	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	54000000	USD
CY2011	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	39000000	USD
CY2013	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-11000000	USD
CY2012	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-27000000	USD
CY2011	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-99000000	USD
CY2012Q1	rig	Goodwill Impairment Loss Tax Effect GoodwillImpairmentLossTaxEffect	0	USD
CY2012Q1	us-gaap	Goodwill Impaired Adjustment To Initial Estimate Amount GoodwillImpairedAdjustmentToInitialEstimateAmount	118000000	USD
CY2013Q4	rig	Restricted Cash And Investments1 RestrictedCashAndInvestments1	624000000	USD
CY2013Q4	us-gaap	Restricted Cash And Investments Noncurrent RestrictedCashAndInvestmentsNoncurrent	465000000	USD
CY2013Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	159000000	USD
CY2012Q4	rig	Restricted Cash And Investments1 RestrictedCashAndInvestments1	861000000	USD
CY2012Q4	us-gaap	Restricted Cash And Investments Noncurrent RestrictedCashAndInvestmentsNoncurrent	666000000	USD
CY2012Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	195000000	USD
CY2013Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	14000000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	20000000	USD
CY2013Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	80000000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	183000000	USD
CY2012	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	-1022000000	USD
CY2012	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Discontinued Operation During Phase Out Period DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod	5000000	USD
CY2013Q4	rig	Other Assets Included In Assets Held For Sale OtherAssetsIncludedInAssetsHeldForSale	1000000	USD
CY2013Q4	rig	Assets Of Disposal Group Included In Assets Held For Sale AssetsOfDisposalGroupIncludedInAssetsHeldForSale	19000000	USD
CY2013Q4	us-gaap	Disposal Group Including Discontinued Operation Other Current Liabilities DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities	8000000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	386000000	USD
CY2011	rig	Amortization Of Drilling Contract Intangibles AmortizationOfDrillingContractIntangibles	-45000000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3243000000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5134000000	USD
CY2013Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	360000000	shares
CY2013Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	361000000	shares
CY2013Q4	rig	Property And Equipment As Percentage Of Total Assets PropertyAndEquipmentAsPercentageOfTotalAssets	0.67	pure
CY2012	us-gaap	Goodwill Impaired Adjustment To Initial Estimate Amount GoodwillImpairedAdjustmentToInitialEstimateAmount	118000000	USD
CY2013	rig	Number Of Reporting Units NumberOfReportingUnits	2	item
CY2012	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	380000000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	38000000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-6000000	USD
CY2012Q1	rig	Goodwill Impaired Adjustment To Initial Estimate Per Diluted Share GoodwillImpairedAdjustmentToInitialEstimatePerDilutedShare	0.33
CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	41000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	95000000	USD
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-426000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	86000000	USD
CY2013	rig	Defined Benefit Plan Determination Of Net Periodic Benefit Cost Investment Gain Loss Recognition Period DefinedBenefitPlanDeterminationOfNetPeriodicBenefitCostInvestmentGainLossRecognitionPeriod	P5Y
CY2013	rig	Threshold For Amortization Of Investment Gains And Losses In Defined Benefit Plans ThresholdForAmortizationOfInvestmentGainsAndLossesInDefinedBenefitPlans	0.10	pure
CY2011	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	221000000	USD
CY2011	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	409000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	210000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	43000000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	78000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	40000000	USD
CY2013	rig	Defined Benefit Plan Obligations Number Of Fair Valuation Assumptions DefinedBenefitPlanObligationsNumberOfFairValuationAssumptions	2	item
CY2013Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-409000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-639000000	USD
CY2011	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	19000000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	28000000	USD
CY2013	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	132000000	USD
CY2011	rig	Income Tax Reconciliation Acquisition Of Assets IncomeTaxReconciliationAcquisitionOfAssets	8000000	USD
CY2011	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	3000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	369000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	21000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	98000000	USD
CY2012	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	149000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	62000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	501000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	688000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	37000000	USD
CY2012	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	423000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	247000000	USD
CY2012Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	66000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-224000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	21000000	USD
CY2013	rig	Deferred Tax Liability Not Recognized Minimum Amount Of Unrecognized Deferred Tax Liability DeferredTaxLiabilityNotRecognizedMinimumAmountOfUnrecognizedDeferredTaxLiability	180000000	USD
CY2011	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	88000000	USD
CY2013Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	1280000000	USD
CY2012Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	1231000000	USD
CY2013Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Liabilities VariableInterestEntityConsolidatedCarryingAmountLiabilities	261000000	USD
CY2012Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Liabilities VariableInterestEntityConsolidatedCarryingAmountLiabilities	311000000	USD
CY2013Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets And Liabilities Net VariableInterestEntityConsolidatedCarryingAmountAssetsAndLiabilitiesNet	1019000000	USD
CY2012Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets And Liabilities Net VariableInterestEntityConsolidatedCarryingAmountAssetsAndLiabilitiesNet	920000000	USD
CY2013	rig	Number Of Notes Receivable From Sale Of Midwater Floaters NumberOfNotesReceivableFromSaleOfMidwaterFloaters	2	note
CY2013	rig	Midwater Floaters Sold MidwaterFloatersSold	2	drillingunit
CY2013Q4	rig	Stated Interest Rate On Notes Receivable Received From Sale Of Midwater Floaters StatedInterestRateOnNotesReceivableReceivedFromSaleOfMidwaterFloaters	0.09	pure
CY2013Q4	rig	Notes Receivable From Rig Sale NotesReceivableFromRigSale	93000000	USD
CY2012Q4	rig	Notes Receivable From Rig Sale NotesReceivableFromRigSale	105000000	USD
CY2013Q4	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	93000000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	5000000	USD
CY2012	rig	Variable Interest Entities Assets Pledged As Collateral VariableInterestEntitiesAssetsPledgedAsCollateral	805000000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	68000000	USD
CY2012	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	141000000	USD
CY2013	rig	Variable Interest Entities Assets Pledged As Collateral VariableInterestEntitiesAssetsPledgedAsCollateral	768000000	USD
CY2012	rig	Goodwill Impaired Adjustment To Initial Estimate Amount Tax Effect GoodwillImpairedAdjustmentToInitialEstimateAmountTaxEffect	0	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	5000000	USD
CY2012	us-gaap	Income Tax Reconciliation Disposition Of Assets IncomeTaxReconciliationDispositionOfAssets	-1000000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	59000000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	267000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-179000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	725000000	USD
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1109000000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1123000000	USD
CY2011	us-gaap	Revenue Oil And Gas Services RevenueOilAndGasServices	7407000000	USD
CY2013	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	414000000	USD
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.0783	pure
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	130000000	USD
CY2013	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	185000000	USD
CY2013	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	5000000	USD
CY2013	us-gaap	Income Tax Reconciliation Disposition Of Assets IncomeTaxReconciliationDispositionOfAssets	9000000	USD
CY2013	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-33000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-62000000	USD
CY2013	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	37000000	USD
CY2013	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	18000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	8000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	28000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	456000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	650000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	29000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	679000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-223000000	USD
CY2005Q4	rig	Income Tax Examination Percentage Penalties Assessed Before Examination Brazil IncomeTaxExaminationPercentagePenaltiesAssessedBeforeExaminationBrazil	0.75	pure
CY2012	us-gaap	Disposal Group Including Discontinued Operation Depreciation And Amortization DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization	183000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	41000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Valuation Allowance Noncurrent DeferredTaxAssetsValuationAllowanceNoncurrent	247000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance Noncurrent DeferredTaxAssetsValuationAllowanceNoncurrent	210000000	USD
CY2013Q4	rig	Deferred Tax Liability Not Recognized Cumulative Amount Of Temporary Differences DeferredTaxLiabilityNotRecognizedCumulativeAmountOfTemporaryDifferences	2500000000	USD
CY2013	rig	Deferred Tax Liability Not Recognized Maximum Amount Of Unrecognized Deferred Tax Liability DeferredTaxLiabilityNotRecognizedMaximumAmountOfUnrecognizedDeferredTaxLiability	250000000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	485000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	515000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	382000000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	326000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	24000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	58000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	45000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	10000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	25000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	29000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	72000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	24000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	6000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	120000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	42000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	12000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	72000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	2000000	USD
CY2013Q4	rig	Unrecognized Tax Benefits Excluding Interest And Penalties That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsExcludingInterestAndPenaltiesThatWouldImpactEffectiveTaxRate	326000000	USD
CY2012Q4	rig	Unrecognized Tax Benefits Excluding Interest And Penalties That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsExcludingInterestAndPenaltiesThatWouldImpactEffectiveTaxRate	382000000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	176000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	199000000	USD
CY2013Q4	rig	Unrecognized Tax Benefits Including Interest And Penalties UnrecognizedTaxBenefitsIncludingInterestAndPenalties	502000000	USD
CY2012Q4	rig	Unrecognized Tax Benefits Including Interest And Penalties UnrecognizedTaxBenefitsIncludingInterestAndPenalties	581000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	23000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	56000000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	20000000	USD
CY2013	rig	Number Of Major Jurisdictions With Extensions Beyond Statute Of Limitations NumberOfMajorJurisdictionsWithExtensionsBeyondStatuteOfLimitations	2	jurisdiction
CY2013	rig	Maximum Number Years Agreed To Extensions Beyond Statute Of Limitations MaximumNumberYearsAgreedToExtensionsBeyondStatuteOfLimitations	P19Y
CY2013Q2	rig	Income Tax Investigation Financial Claim Dropped IncomeTaxInvestigationFinancialClaimDropped	1800000000	NOK
CY2013Q4	rig	Income Tax Examination Amount Of Criminal Penalties To Be Assessed By Court In Addition To Civil Tax Penalties IncomeTaxExaminationAmountOfCriminalPenaltiesToBeAssessedByCourtInAdditionToCivilTaxPenalties	38000000	USD
CY2013	rig	Number Of Subsidiaries Against Which Criminal Penalties In Addition To Civil Tax Penalties Are To Be Assessed NumberOfSubsidiariesAgainstWhichCriminalPenaltiesInAdditionToCivilTaxPenaltiesAreToBeAssessed	3	item
CY2013Q2	rig	Number Of Subsidiaries Against Which Criminal Indictments Have Been Dropped NumberOfSubsidiariesAgainstWhichCriminalIndictmentsHaveBeenDropped	1	subsidiary
CY2005Q4	rig	Income Tax Examination Liability Excluding Interest And Penalties Recorded Brazil IncomeTaxExaminationLiabilityExcludingInterestAndPenaltiesRecordedBrazil	283000000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	54000000	USD
CY2011	us-gaap	Depreciation And Amortization Discontinued Operations DepreciationAndAmortizationDiscontinuedOperations	342000000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	113000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	1406000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	808000000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1394000000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	808000000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-5839000000	USD
CY2010Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	1459000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-5839000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-18.14
CY2013	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	12000000	USD
CY2013	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	12000000	USD
CY2013	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-size:10.0pt;font-family:Times New Roman;"> <p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold;" size="2">Accounting estimates</font></b><font style="FONT-SIZE: 10pt;" size="2">—To prepare financial statements in accordance with accounting principles generally accepted in the U.S., we are required to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses and the disclosures of contingent assets and liabilities.  On an ongoing basis, we evaluate our estimates and assumptions, including those related to our discontinued operations, allowance for doubtful accounts, materials and supplies obsolescence, property and equipment, investments, notes receivable, goodwill, income taxes, contingencies, share-based compensation, defined benefit pension plans and other postretirement benefits.  We base our estimates and assumptions on historical experience and on various other factors we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying amounts of assets and liabilities that are not readily apparent from other sources.  Actual results could differ from such estimates.</font></p> </div>
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	356000000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	322000000	shares
CY2013	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.87
CY2012	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.27
CY2011Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	1391000000	USD
CY2012Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	2010000000	USD
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	360000000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	356000000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	322000000	shares
CY2013	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.87
CY2012	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.27
CY2011	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-18.14
CY2013Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	2710000000	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-2.89
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	97000000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	95000000	USD
CY2011	rig	Acquisition Of Construction Work In Progress AcquisitionOfConstructionWorkInProgress	272000000	USD
CY2013	rig	Change In Accrual Of Construction In Progress Expenditures ChangeInAccrualOfConstructionInProgressExpenditures	44000000	USD
CY2012	rig	Change In Accrual Of Construction In Progress Expenditures ChangeInAccrualOfConstructionInProgressExpenditures	61000000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1394000000	USD
CY2013	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	99000000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	85000000	USD
CY2011	rig	Change In Accrual Of Construction In Progress Expenditures ChangeInAccrualOfConstructionInProgressExpenditures	-2000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	196000000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	808000000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-5839000000	USD
CY2012	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-43000000	USD
CY2005Q4	rig	Income Tax Examination Liability Excluding Interest And Penalties Recorded Brazil IncomeTaxExaminationLiabilityExcludingInterestAndPenaltiesRecordedBrazil	677000000	BRL
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	360000000	shares
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	12459000000	USD
CY2012Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1367000000	USD
CY2012Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	11092000000	USD
CY2013	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-63000000	USD
CY2013Q4	us-gaap	Long Term Debt LongTermDebt	10702000000	USD
CY2013Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	323000000	USD
CY2012	rig	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Including Reclassification OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentIncludingReclassification	-8000000	USD
CY2012	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-117000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Rolling Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths	323000000	USD
CY2012	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	81000000	USD
CY2013	us-gaap	Discontinued Operation Tax Effect Of Income Loss From Discontinued Operation During Phase Out Period DiscontinuedOperationTaxEffectOfIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriod	40000000	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	1055000000	USD
CY2013	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	83000000	USD
CY2012	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	990000000	USD
CY2013	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	90000000	USD
CY2013	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	-11000000	USD
CY2012	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	19000000	USD
CY2013	us-gaap	Defined Benefit Plan Benefits Paid DefinedBenefitPlanBenefitsPaid	76000000	USD
CY2013	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	7000000	USD
CY2013	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-size:10.0pt;font-family:Times New Roman;"> <p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold;" size="2">Reclassifications</font></b><font style="FONT-SIZE: 10pt;" size="2">—We have made certain reclassifications, which did not have an effect on net income, to prior period amounts to conform with the current year’s presentation.  These reclassifications did not have a material effect on our consolidated statement of financial position, results of operations or cash flows.</font></p> </div>
CY2013	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	796000000	USD
CY2013	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	800000000	USD
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1109000000	USD
CY2012	us-gaap	Depreciation And Amortization Discontinued Operations DepreciationAndAmortizationDiscontinuedOperations	183000000	USD
CY2013	us-gaap	Discontinued Operation Amount Of Other Income Loss From Disposition Of Discontinued Operations Before Income Tax DiscontinuedOperationAmountOfOtherIncomeLossFromDispositionOfDiscontinuedOperationsBeforeIncomeTax	5000000	USD
CY2013	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax	41000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo	1263000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree	1165000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour	917000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive	1311000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingAfterYearFive	5719000000	USD
CY2013Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	10698000000	USD
CY2013Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-4000000	USD
CY2013Q4	dei	Entity Number Of Employees EntityNumberOfEmployees	15100	item
CY2012Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	3000000	USD
CY2013Q4	rig	Common Stock Held By Subsidiary Shares CommonStockHeldBySubsidiaryShares	10200000	shares
CY2012	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-51000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Plans With Benefit Obligations In Excess Of Plan Assets Aggregate Benefit Obligation DefinedBenefitPlanPlansWithBenefitObligationsInExcessOfPlanAssetsAggregateBenefitObligation	2006000000	USD
CY2012	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	85000000	USD
CY2012	us-gaap	Defined Benefit Plan Benefits Paid DefinedBenefitPlanBenefitsPaid	71000000	USD
CY2013	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	88000000	USD
CY2013	rig	One Time Termination Benefit Plans Expense Related To Severance Costs OneTimeTerminationBenefitPlansExpenseRelatedToSeveranceCosts	32000000	USD
CY2012	us-gaap	Defined Benefit Plan Contributions By Plan Participants DefinedBenefitPlanContributionsByPlanParticipants	3000000	USD
CY2012	us-gaap	Defined Benefit Plan Special Termination Benefits DefinedBenefitPlanSpecialTerminationBenefits	-1000000	USD
CY2013	rig	Payments For Involuntary Terminations Under One Time Termination Benefit Plans PaymentsForInvoluntaryTerminationsUnderOneTimeTerminationBenefitPlans	21000000	USD
CY2013	us-gaap	Defined Benefit Plan Special Termination Benefits DefinedBenefitPlanSpecialTerminationBenefits	-1000000	USD
CY2012	rig	Defined Benefit Plan Settlements And Curtailments Benefit Obligation Plan Assets DefinedBenefitPlanSettlementsAndCurtailmentsBenefitObligationPlanAssets	14000000	USD
CY2011Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	1760000000	USD
CY2013Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	-388000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	2009000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	311000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Plans With Benefit Obligations In Excess Of Plan Assets Aggregate Benefit Obligation DefinedBenefitPlanPlansWithBenefitObligationsInExcessOfPlanAssetsAggregateBenefitObligation	1992000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	1118000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	481000000	USD
CY2012	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	36000000	USD
CY2011	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-12000000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	2224000000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	1581000000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-5000000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	339000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	69000000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	69000000	USD
CY2012	rig	Intangible Assets Or Liabilities Reclassification Adjustment Associated With Discontinued Operations Gross IntangibleAssetsOrLiabilitiesReclassificationAdjustmentAssociatedWithDiscontinuedOperationsGross	-270000000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1000000	USD
CY2012	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	22000000	USD
CY2012	rig	Intangible Assets Excluding Goodwill Reclassification Adjustment Associated With Discontinued Operations Net IntangibleAssetsExcludingGoodwillReclassificationAdjustmentAssociatedWithDiscontinuedOperationsNet	31000000	USD
CY2012	rig	Impairment Of Intangible Assets Or Liabilities Reclassification Adjustment Associated With Discontinued Operations ImpairmentOfIntangibleAssetsOrLiabilitiesReclassificationAdjustmentAssociatedWithDiscontinuedOperations	239000000	USD
CY2013	us-gaap	Defined Benefit Plan Contributions By Plan Participants DefinedBenefitPlanContributionsByPlanParticipants	4000000	USD
CY2013	rig	Defined Benefit Plan Settlements And Curtailments Benefit Obligation Plan Assets DefinedBenefitPlanSettlementsAndCurtailmentsBenefitObligationPlanAssets	5000000	USD
CY2012	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	144000000	USD
CY2012	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Plan Assets DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	15000000	USD
CY2012	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	159000000	USD
CY2011Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	1120000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	1597000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	1370000000	USD
CY2013	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	194000000	USD
CY2013	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Plan Assets DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	-10000000	USD
CY2013	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	115000000	USD
CY2012Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	-30000000	USD
CY2012Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	-612000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	555000000	USD
CY2013Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	-29000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Plans With Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPlansWithBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	1352000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Plans With Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPlansWithBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	1597000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	1700000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	1700000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	1648000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	1246000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	1637000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	1467000000	USD
CY2013Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	20000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	637000000	USD
CY2013Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	617000000	USD
CY2013	us-gaap	Defined Benefit Plan Future Amortization Of Gain Loss DefinedBenefitPlanFutureAmortizationOfGainLoss	-25000000	USD
CY2013	us-gaap	Defined Benefit Plan Future Amortization Of Prior Service Cost Credit DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit	-2000000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	3000000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-13000000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-13000000	USD
CY2013	us-gaap	Defined Benefit Plan Amount To Be Amortized From Accumulated Other Comprehensive Income Loss Next Fiscal Year DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear	23000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	25000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	25000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	20000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	73000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	49000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	47000000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	-4762000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	25000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	67000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	72000000	USD
CY2013	us-gaap	Investment Income Interest InvestmentIncomeInterest	52000000	USD
CY2012	us-gaap	Investment Income Interest InvestmentIncomeInterest	56000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	78000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	11000000	USD
CY2011	us-gaap	Investment Income Interest InvestmentIncomeInterest	44000000	USD
CY2013	us-gaap	Interest Expense InterestExpense	584000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	84000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	527000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	10000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	87000000	USD
CY2012	us-gaap	Interest Expense InterestExpense	723000000	USD
CY2011	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-577000000	USD
CY2011	rig	Goodwill Impairment Loss Per Diluted Share GoodwillImpairmentLossPerDilutedShare	16.15
CY2011	rig	Other Nonoperating Income Expense And Gain Loss On Retirement Of Debt OtherNonoperatingIncomeExpenseAndGainLossOnRetirementOfDebt	-99000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	-9000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Transition Assets Obligations Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetTransitionAssetsObligationsBeforeTax	2000000	USD
CY2013Q2	us-gaap	Profit Loss ProfitLoss	303000000	USD
CY2013	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	17000000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-322000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-565000000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	-10000000	USD
CY2011	rig	Goodwill Impairment Loss Tax Effect GoodwillImpairmentLossTaxEffect	0	USD
CY2013	rig	Defined Contribution Benefit Plans Number Of Defined Contribution Plans Sponsored By Company DefinedContributionBenefitPlansNumberOfDefinedContributionPlansSponsoredByCompany	2	plan
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	82000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	178000000	USD
CY2011	us-gaap	Interest Expense InterestExpense	621000000	USD
CY2012	rig	Redeemable Noncontrolling Interest Net Income Attributable To Noncontrolling Interest RedeemableNoncontrollingInterestNetIncomeAttributableToNoncontrollingInterest	13000000	USD
CY2011	rig	Redeemable Noncontrolling Interest Net Income Attributable To Noncontrolling Interest RedeemableNoncontrollingInterestNetIncomeAttributableToNoncontrollingInterest	78000000	USD
CY2013	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-28000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	72000000	USD
CY2012	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-48000000	USD
CY2011	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-99000000	USD
CY2013	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-560000000	USD
CY2012	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-715000000	USD
CY2012Q4	us-gaap	Capital Leases Balance Sheet Assets By Major Class Net CapitalLeasesBalanceSheetAssetsByMajorClassNet	681000000	USD
CY2013Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	752000000	USD
CY2013Q4	us-gaap	Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation	84000000	USD
CY2011	rig	Redeemable Noncontrolling Interest Other Comprehensive Income Loss Attributable To Noncontrolling Interest RedeemableNoncontrollingInterestOtherComprehensiveIncomeLossAttributableToNoncontrollingInterest	-3000000	USD
CY2012	rig	Reclassification From Redeemable Non Controlling Interest Aoci ReclassificationFromRedeemableNonControllingInterestAOCI	17000000	USD
CY2013Q4	us-gaap	Capital Leases Balance Sheet Assets By Major Class Net CapitalLeasesBalanceSheetAssetsByMajorClassNet	668000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	66000000	USD
CY2012	rig	Fair Value Adjustment Of Redeemable Non Controlling Interest FairValueAdjustmentOfRedeemableNonControllingInterest	-106000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	71000000	USD
CY2012	rig	Reclassification From Redeemable Non Controlling Interest To Current Liabilities ReclassificationFromRedeemableNonControllingInterestToCurrentLiabilities	-252000000	USD
CY2012Q2	rig	Cumulative Adjustment To Liability And Expense Issuance Of Shares Noncontrolling Interest CumulativeAdjustmentToLiabilityAndExpenseIssuanceOfSharesNoncontrollingInterest	25000000	USD
CY2012Q2	rig	Adjustments To Shares Issuance Of Shares Noncontrolling Interest AdjustmentsToSharesIssuanceOfSharesNoncontrollingInterest	134000000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	97000000	USD
CY2011	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	169000000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	128000000	USD
CY2012	us-gaap	Capital Leases Income Statement Amortization Expense CapitalLeasesIncomeStatementAmortizationExpense	20000000	USD
CY2011	us-gaap	Capital Leases Income Statement Amortization Expense CapitalLeasesIncomeStatementAmortizationExpense	20000000	USD
CY2013	us-gaap	Capital Leases Income Statement Amortization Expense CapitalLeasesIncomeStatementAmortizationExpense	20000000	USD
CY2012Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	745000000	USD
CY2012Q4	us-gaap	Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation	64000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	72000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	72000000	USD
CY2013Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	765000000	USD
CY2013	us-gaap	Asset Impairment Charges AssetImpairmentCharges	81000000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Incremental Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost	3000000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Incremental Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost	22000000	USD
CY2011Q4	rig	Number Of Quarterly Installments Paid NumberOfQuarterlyInstallmentsPaid	3	item
CY2012	us-gaap	Asset Impairment Charges AssetImpairmentCharges	140000000	USD
CY2012Q2	rig	Adjustments To Additional Paid In Capital Issuance Of Shares Noncontrolling Interest AdjustmentsToAdditionalPaidInCapitalIssuanceOfSharesNoncontrollingInterest	233000000	USD
CY2013Q4	rig	Number Of Subsidiaries To Whom Shares Were Issued NumberOfSubsidiariesToWhomSharesWereIssued	1	item
CY2012Q4	rig	Common Stock Held By Subsidiary Shares CommonStockHeldBySubsidiaryShares	11500000	shares
CY2013Q3	us-gaap	Profit Loss ProfitLoss	544000000	USD
CY2013Q4	us-gaap	Profit Loss ProfitLoss	231000000	USD
CY2011Q4	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	29900000	shares
CY2011Q4	rig	Stock Issued During Period Value Per Share New Issues StockIssuedDuringPeriodValuePerShareNewIssues	40.50
CY2012Q1	us-gaap	Profit Loss ProfitLoss	18000000	USD
CY2012Q2	us-gaap	Profit Loss ProfitLoss	-303000000	USD
CY2011	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-676000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1664000000	USD
CY2011Q4	rig	Stock Issued During Period Value Per Share New Issues StockIssuedDuringPeriodValuePerShareNewIssues	37.19
CY2011Q4	rig	Share Repurchase Usd Exchange Rate ShareRepurchaseUsdExchangeRate	1.00	USD
CY2011Q4	rig	Share Repurchase Chf Average Exchange Rate ShareRepurchaseChfAverageExchangeRate	0.9183	CHF
CY2011Q4	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1200000000	USD
CY2013	rig	Authorized Aggregate Purchase Price Of Shares For Cancellation AuthorizedAggregatePurchasePriceOfSharesForCancellation	3900000000	USD
CY2009Q2	rig	Authorized Aggregate Purchase Price Of Shares For Cancellation AuthorizedAggregatePurchasePriceOfSharesForCancellation	3500000000	CHF
CY2012Q3	us-gaap	Profit Loss ProfitLoss	-383000000	USD
CY2012Q4	rig	Share Repurchase Usd Exchange Rate ShareRepurchaseUsdExchangeRate	1.00	USD
CY2012Q4	us-gaap	Profit Loss ProfitLoss	457000000	USD
CY2013Q2	rig	Cash Distribution Per Share Approved As Additional Paid In Capital CashDistributionPerShareApprovedAsAdditionalPaidInCapital	2.24
CY2013Q2	rig	Amount Of Installment AmountOfInstallment	0.56
CY2013Q2	rig	Number Of Quarterly Installments NumberOfQuarterlyInstallments	4	item
CY2013Q2	rig	Us Dollar Denominated Dividend USDollarDenominatedDividend	808000000	USD
CY2013Q4	rig	Number Of Quarterly Installments Paid NumberOfQuarterlyInstallmentsPaid	3	item
CY2013Q2	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	37000000	USD
CY2013Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	202000000	USD
CY2011Q2	rig	Cash Distribution Per Share Approved As Additional Paid In Capital CashDistributionPerShareApprovedAsAdditionalPaidInCapital	3.16
CY2011Q2	rig	Number Of Quarterly Installments NumberOfQuarterlyInstallments	4	item
CY2011Q2	rig	Amount Of Installment AmountOfInstallment	0.79
CY2013Q4	rig	Share Repurchase Chf Exchange Rate ShareRepurchaseChfExchangeRate	0.89	CHF
CY2013Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	2863267	shares
CY2012Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	2863267	shares
CY2011	us-gaap	Asset Impairment Charges AssetImpairmentCharges	5201000000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	36000000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	7900000	shares
CY2013Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	93000000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y8M12D
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Incremental Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost	4000000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-87000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	866000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-18000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	1000000	USD
CY2013Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	108000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-11000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-2000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-13000000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-625000000	USD
CY2013	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-33000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	260000000	USD
CY2013	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	151000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-1000000	USD
CY2013	us-gaap	Interest Paid InterestPaid	669000000	USD
CY2013	us-gaap	Income Taxes Paid IncomeTaxesPaid	457000000	USD
CY2013	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	167000000	USD
CY2012Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	421000000	USD
CY2012Q4	rig	Deferred Revenue Current Of Consolidated Variable Interest Entities DeferredRevenueCurrentOfConsolidatedVariableInterestEntities	21000000	USD
CY2012Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	214000000	USD
CY2012Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	150000000	USD
CY2012Q4	us-gaap	Interest Payable Current InterestPayableCurrent	122000000	USD
CY2012Q4	us-gaap	Loss Contingency Accrual Carrying Value Current LossContingencyAccrualCarryingValueCurrent	1958000000	USD
CY2012Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	47000000	USD
CY2013Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1106000000	USD
CY2012Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	581000000	USD
CY2012Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	558000000	USD
CY2012Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	174000000	USD
CY2012Q4	rig	Deferred Revenue Of Consolidated Variable Interest Entities DeferredRevenueOfConsolidatedVariableInterestEntities	72000000	USD
CY2012Q4	rig	Drilling Contract Intangibles DrillingContractIntangibles	60000000	USD
CY2012Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	54000000	USD
CY2012Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	105000000	USD
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1047000000	USD
CY2013Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	431000000	USD
CY2013Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	195000000	USD
CY2013Q4	rig	Deferred Revenue Current Of Consolidated Variable Interest Entities DeferredRevenueCurrentOfConsolidatedVariableInterestEntities	21000000	USD
CY2013Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	145000000	USD
CY2013Q4	us-gaap	Interest Payable Current InterestPayableCurrent	108000000	USD
CY2013Q4	us-gaap	Loss Contingency Accrual Carrying Value Current LossContingencyAccrualCarryingValueCurrent	490000000	USD
CY2013Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	20000000	USD
CY2013Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	53000000	USD
CY2013Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	502000000	USD
CY2013Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	339000000	USD
CY2013Q4	rig	Deferred Revenue Of Consolidated Variable Interest Entities DeferredRevenueOfConsolidatedVariableInterestEntities	51000000	USD
CY2013Q4	rig	Drilling Contract Intangibles DrillingContractIntangibles	44000000	USD
CY2013Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	49000000	USD
CY2013Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	81000000	USD
CY2012Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	116000000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	139000000	USD
CY2012	us-gaap	Income Taxes Paid IncomeTaxesPaid	347000000	USD
CY2011	us-gaap	Income Taxes Paid IncomeTaxesPaid	338000000	USD
CY2013	rig	Disposal Group Including Discontinued Operation Impairment Loss DisposalGroupIncludingDiscontinuedOperationImpairmentLoss	14000000	USD
CY2011	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	174000000	USD
CY2012	rig	Disposal Group Including Discontinued Operation Impairment Loss DisposalGroupIncludingDiscontinuedOperationImpairmentLoss	986000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	-198000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	52000000	USD
CY2012	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	73000000	USD
CY2011	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	73000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	204000000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-12000000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-26000000	USD
CY2012	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	123000000	USD
CY2011	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	62000000	USD
CY2011	us-gaap	Contract Revenue Cost ContractRevenueCost	6179000000	USD
CY2012	rig	Stock Issued During Period Value Issued For Non Cash Consideration StockIssuedDuringPeriodValueIssuedForNonCashConsideration	367000000	USD
CY2013	us-gaap	Cost Of Services Depreciation And Amortization CostOfServicesDepreciationAndAmortization	1109000000	USD
CY2012	us-gaap	Cost Of Services Depreciation And Amortization CostOfServicesDepreciationAndAmortization	1123000000	USD
CY2012	rig	Noncash Or Part Noncash Divestiture Amount Of Consideration Received Estimated Fair Value NoncashOrPartNoncashDivestitureAmountOfConsiderationReceivedEstimatedFairValue	194000000	USD
CY2011	us-gaap	Cost Of Services Depreciation And Amortization CostOfServicesDepreciationAndAmortization	1109000000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	931000000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	978000000	USD
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-58000000	USD
CY2013	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	152000000	USD
CY2013Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	2112000000	USD
CY2013	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	286000000	USD
CY2013Q4	rig	Other Assets Current Less Cash OtherAssetsCurrentLessCash	3529000000	USD
CY2012Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	1940000000	USD
CY2012	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	156000000	USD
CY2012	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-63000000	USD
CY2011	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-34000000	USD
CY2011	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-80000000	USD
CY2012	us-gaap	Interest Paid InterestPaid	719000000	USD
CY2011	us-gaap	Interest Paid InterestPaid	501000000	USD
CY2012Q4	rig	Debt Of Consolidated Variable Interest Entities Due Within One Year DebtOfConsolidatedVariableInterestEntitiesDueWithinOneYear	28000000	USD
CY2013Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	2072000000	USD
CY2012	us-gaap	Profit Loss ProfitLoss	-211000000	USD
CY2011	us-gaap	Profit Loss ProfitLoss	-5677000000	USD
CY2013Q4	us-gaap	Other Receivables OtherReceivables	50000000	USD
CY2012Q4	us-gaap	Other Receivables OtherReceivables	260000000	USD
CY2012Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	2933000000	USD
CY2011	us-gaap	Revenues Revenues	8027000000	USD
CY2013	us-gaap	Contract Revenue Cost ContractRevenueCost	5791000000	USD
CY2012	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	282000000	USD
CY2011	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	288000000	USD
CY2013Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3554000000	USD
CY2013	us-gaap	Revenues Revenues	9484000000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-262000000	USD
CY2013	us-gaap	Costs And Expenses CostsAndExpenses	7186000000	USD
CY2012	us-gaap	Costs And Expenses CostsAndExpenses	7511000000	USD
CY2011	us-gaap	Costs And Expenses CostsAndExpenses	7576000000	USD
CY2012	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	36000000	USD
CY2012	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-667000000	USD
CY2012	rig	Other Nonoperating Income Expense And Gain Loss On Retirement Of Debt OtherNonoperatingIncomeExpenseAndGainLossOnRetirementOfDebt	-48000000	USD
CY2012Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	4200000000	USD
CY2013Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	2300000000	USD
CY2011	rig	Disposal Group Including Discontinued Operation Impairment Loss DisposalGroupIncludingDiscontinuedOperationImpairmentLoss	38000000	USD
CY2013	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	7000000	USD
CY2013	rig	Minimum Maturity Period Of Debt For Exposure To Market Risks MinimumMaturityPeriodOfDebtForExposureToMarketRisks	P1Y
CY2013Q4	rig	Number Of Contract Employees NumberOfContractEmployees	1000	item
CY2013Q4	rig	Number Of Employees Working Under Operating Agreements NumberOfEmployeesWorkingUnderOperatingAgreements	800	item
CY2013	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-532000000	USD
CY2011	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	620000000	USD
CY2013Q4	rig	Debt Due Within One Year Excluding Variable Interest Entities DebtDueWithinOneYearExcludingVariableInterestEntities	160000000	USD
CY2012Q4	rig	Debt Due Within One Year Excluding Variable Interest Entities DebtDueWithinOneYearExcludingVariableInterestEntities	1339000000	USD
CY2013Q4	rig	Debt Of Consolidated Variable Interest Entities Due Within One Year DebtOfConsolidatedVariableInterestEntitiesDueWithinOneYear	163000000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	5463000000	USD
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	5147000000	USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	5130000000	USD
CY2013Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	6784000000	USD
CY2012Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	7521000000	USD
CY2013Q4	us-gaap	Treasury Stock Value TreasuryStockValue	240000000	USD
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	240000000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	5262000000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3855000000	USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013	us-gaap	Profit Loss ProfitLoss	1407000000	USD
CY2012	us-gaap	Revenues Revenues	9196000000	USD
CY2013	rig	Other Nonoperating Income Expense And Gain Loss On Retirement Of Debt OtherNonoperatingIncomeExpenseAndGainLossOnRetirementOfDebt	-28000000	USD
CY2012	us-gaap	Contract Revenue Cost ContractRevenueCost	6106000000	USD
CY2013	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	816000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1406000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	816000000	USD
CY2012	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-512000000	USD
CY2011	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-803000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1918000000	USD
CY2011	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-12000000	USD
CY2013	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	54000000	USD
CY2013Q4	us-gaap	Supplies Supplies	743000000	USD
CY2012Q4	rig	Other Assets Current Less Cash OtherAssetsCurrentLessCash	3513000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2708000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1825000000	USD
CY2012Q4	rig	Aggregate Value Of Drilling Rig Fleet AggregateValueOfDrillingRigFleet	29300000000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2238000000	USD
CY2012Q4	us-gaap	Supplies Supplies	610000000	USD
CY2013	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-78000000	USD
CY2012	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-54000000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1303000000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	974000000	USD
CY2013Q4	us-gaap	Assets Held For Sale Current AssetsHeldForSaleCurrent	148000000	USD
CY2012Q4	us-gaap	Assets Held For Sale Current AssetsHeldForSaleCurrent	179000000	USD
CY2011	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-16000000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.26
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.87
CY2012Q4	rig	Other Assets Noncurrent Excluding Investments OtherAssetsNoncurrentExcludingInvestments	1741000000	USD
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.62
CY2013Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	151000000	USD
CY2012Q4	rig	Other Liabilities Current Less Debt Due Within One Year OtherLiabilitiesCurrentLessDebtDueWithinOneYear	4096000000	USD
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-17.88
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-2.89
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.26
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.87
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.62
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-17.88
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-5438000000	USD
CY2013Q4	rig	Long Term Debt Excluding Variable Interest Entities LongTermDebtExcludingVariableInterestEntities	10379000000	USD
CY2012Q4	rig	Other Liabilities Noncurrent Less Debt OtherLiabilitiesNoncurrentLessDebt	1970000000	USD
CY2012Q4	rig	Long Term Debt Excluding Variable Interest Entities LongTermDebtExcludingVariableInterestEntities	10929000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-521000000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	16691000000	USD
CY2013Q4	rig	Other Assets Noncurrent Excluding Investments OtherAssetsNoncurrentExcludingInvestments	1080000000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	258000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	142000000	USD
CY2013Q4	us-gaap	Other Assets Current OtherAssetsCurrent	325000000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	15745000000	USD
CY2013Q4	rig	Other Liabilities Current Less Debt Due Within One Year OtherLiabilitiesCurrentLessDebtDueWithinOneYear	3231000000	USD
CY2012Q4	rig	Long Term Debt Of Consolidated Variable Interest Entities LongTermDebtOfConsolidatedVariableInterestEntities	163000000	USD
CY2013Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	10379000000	USD
CY2013	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	-74000000	USD
CY2012	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	-85000000	USD
CY2011	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	61000000	USD
CY2013	rig	Personnel Expenses Recognized During Period PersonnelExpensesRecognizedDuringPeriod	2600000000	USD
CY2013Q4	rig	Other Liabilities Noncurrent Less Debt OtherLiabilitiesNoncurrentLessDebt	1928000000	USD
CY2012	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	789000000	USD
CY2011	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	447000000	USD
CY2013	rig	Cash Proceeds Received From Sale Of Preference Shares Investing Activities CashProceedsReceivedFromSaleOfPreferenceSharesInvestingActivities	185000000	USD
CY2013	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-17000000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	50000000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	324000000	USD
CY2012	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-40000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	374000000	USD
CY2013Q4	us-gaap	Minority Interest MinorityInterest	-6000000	USD
CY2012	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	82000000	USD
CY2011	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	183000000	USD
CY2013	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	6000000	USD
CY2012	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	68000000	USD
CY2011	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	125000000	USD
CY2012Q4	us-gaap	Minority Interest MinorityInterest	-15000000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-9000000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-133000000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-62000000	USD
CY2012	rig	Personnel Expenses Recognized During Period PersonnelExpensesRecognizedDuringPeriod	2500000000	USD
CY2013	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-93000000	USD
CY2012	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-72000000	USD
CY2011	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-144000000	USD
CY2013Q4	rig	Aggregate Value Of Drilling Rig Fleet AggregateValueOfDrillingRigFleet	27200000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-5762000000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4017000000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3354000000	USD
CY2012	rig	Payments For Capital Expenditures For Discontinued Operations PaymentsForCapitalExpendituresForDiscontinuedOperations	106000000	USD
CY2011	rig	Payments For Capital Expenditures For Discontinued Operations PaymentsForCapitalExpendituresForDiscontinuedOperations	46000000	USD
CY2011	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1246000000	USD
CY2012Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	350000000	shares
CY2012Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	353000000	shares
CY2011	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	13000000	USD
CY2012Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	359000000	shares
CY2013Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.87
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.49
CY2012	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-260000000	USD
CY2013Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.62
CY2013Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.88
CY2011	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-88000000	USD
CY2012Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	360000000	shares
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1493000000	USD
CY2012Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	350000000	shares
CY2011	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2939000000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1692000000	USD
CY2012Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	353000000	shares
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2282000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1658000000	USD
CY2012Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	359000000	shares
CY2013Q4	us-gaap	Revenues Revenues	2332000000	USD
CY2013Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.87
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-389000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1896000000	USD
CY2013Q1	us-gaap	Revenues Revenues	2197000000	USD
CY2011	us-gaap	Payments For Derivative Instrument Investing Activities PaymentsForDerivativeInstrumentInvestingActivities	78000000	USD
CY2013	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	174000000	USD
CY2012	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	191000000	USD
CY2011	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	14000000	USD
CY2013	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	204000000	USD
CY2013Q2	us-gaap	Revenues Revenues	2397000000	USD
CY2013Q3	us-gaap	Revenues Revenues	2558000000	USD
CY2012Q4	us-gaap	Revenues Revenues	2326000000	USD
CY2013Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	407000000	USD
CY2013Q2	us-gaap	Net Income Loss NetIncomeLoss	307000000	USD
CY2012Q1	us-gaap	Revenues Revenues	2110000000	USD
CY2012Q2	us-gaap	Revenues Revenues	2329000000	USD
CY2012Q3	us-gaap	Revenues Revenues	2431000000	USD
CY2012Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	541000000	USD
CY2012Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	371000000	USD
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.49
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.19
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	546000000	USD
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.86
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.49
CY2012Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	359000000	shares
CY2013Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.62
CY2013Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.88
CY2013Q4	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	5000000	USD
CY2013Q1	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	15000000	USD
CY2012Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-142000000	USD
CY2012Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	811000000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	432000000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	154000000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-303000000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	533000000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	456000000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	10000000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	-304000000	USD
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	-381000000	USD
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.19
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.86
CY2013Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	473000000	USD
CY2013Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	602000000	USD
CY2013Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	742000000	USD
CY2013Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	228000000	USD
CY2013Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	313000000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	321000000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	544000000	USD
CY2013Q4	us-gaap	Net Income Loss NetIncomeLoss	233000000	USD
CY2013Q1	us-gaap	Net Income Loss NetIncomeLoss	321000000	USD
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.49
CY2013Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	361000000	shares
CY2013Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	360000000	shares
CY2013Q2	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	3000000	USD
CY2013Q3	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	31000000	USD
CY2012Q2	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	756000000	USD
CY2012Q2	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	72000000	USD
CY2012Q1	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	-1000000	USD
CY2012Q3	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	-1000000	USD
CY2012Q4	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	12000000	USD
CY2011	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-33000000	USD
CY2007Q4	rig	Number Of Ultra Deepwater Floaters NumberOfUltraDeepwaterFloaters	2	item
CY2013	dei	Entity Registrant Name EntityRegistrantName	Transocean Ltd.
CY2013Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	360000000	shares
CY2013Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	361000000	shares
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2151000000	USD
CY2013Q4	rig	Property And Equipment Excluding Variable Interest Entities PropertyAndEquipmentExcludingVariableInterestEntities	28443000000	USD
CY2012Q4	rig	Property And Equipment Excluding Variable Interest Entities PropertyAndEquipmentExcludingVariableInterestEntities	26967000000	USD
CY2013Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	7720000000	USD
CY2013Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	361000000	shares
CY2013Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	360000000	shares
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	7118000000	USD
CY2013Q4	rig	Property And Equipment Of Consolidated Variable Interest Entities Net PropertyAndEquipmentOfConsolidatedVariableInterestEntitiesNet	984000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1202000000	USD
CY2013	dei	Entity Central Index Key EntityCentralIndexKey	0001451505
CY2013	dei	Document Type DocumentType	10-K
CY2013	dei	Document Period End Date DocumentPeriodEndDate	2013-12-31
CY2012Q4	rig	Property And Equipment Of Consolidated Variable Interest Entities Net PropertyAndEquipmentOfConsolidatedVariableInterestEntitiesNet	1031000000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	3000000	USD
CY2013	dei	Amendment Flag AmendmentFlag	false
CY2012	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	8000000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	73000000	USD
CY2013	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2013	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1666000000	USD
CY2013	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2013	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2013	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2013Q2	dei	Entity Public Float EntityPublicFloat	17300000000	USD
CY2014Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	361024286	shares
CY2013	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-168000000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1669000000	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-1027000000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	85000000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	663000000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	2987000000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	2987000000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-219000000	USD
CY2013Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1080000000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-5845000000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	16685000000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	382000000	USD
CY2013Q4	us-gaap	Assets Current AssetsCurrent	6772000000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	8647000000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1741000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-181000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-2000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	7000000	USD
CY2012	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	8000000	USD
CY2011	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	77000000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	1407000000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	-219000000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	-5754000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-13000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	262000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-8000000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-227000000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-5918000000	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2409000000	USD
CY2013	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	298000000	USD
CY2012	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	311000000	USD
CY2011	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	479000000	USD
CY2013	us-gaap	Payments To Acquire Restricted Investments PaymentsToAcquireRestrictedInvestments	119000000	USD
CY2012	us-gaap	Payments To Acquire Restricted Investments PaymentsToAcquireRestrictedInvestments	167000000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	21707000000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	20880000000	USD
CY2011	us-gaap	Payments To Acquire Restricted Investments PaymentsToAcquireRestrictedInvestments	523000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1211000000	USD
CY2013	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	606000000	USD
CY2012	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	276000000	USD
CY2011	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	759000000	USD
CY2012	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	24000000	USD
CY2011	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	83000000	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-32000000	USD
CY2012	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	3000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	734000000	USD
CY2013Q4	us-gaap	Assets Assets	32546000000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	15627000000	USD
CY2013	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-17000000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-3000000	USD
CY2011	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-6000000	USD
CY2010Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21340000000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	113000000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	97000000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	95000000	USD
CY2011	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1159000000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-1891000000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1117000000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Dividends In Excess Of Retained Earnings AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings	1035000000	USD
CY2013	us-gaap	Stockholders Equity Other StockholdersEquityOther	2000000	USD
CY2012Q4	rig	Disposal Group Including Discontinued Operation Impairment Loss Long Lived Assets DisposalGroupIncludingDiscontinuedOperationImpairmentLossLongLivedAssets	3000000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Dividends In Excess Of Retained Earnings AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings	808000000	USD
CY2012	us-gaap	Stockholders Equity Other StockholdersEquityOther	3000000	USD
CY2013Q4	rig	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsInsurance	36000000	USD
CY2013	rig	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest1 ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest1	1669000000	USD
CY2012	rig	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest1 ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest1	-232000000	USD
CY2011	rig	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest1 ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest1	-5920000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-52000000	USD
CY2012	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-1000000	USD
CY2012	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	2000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-204000000	USD
CY2012Q4	us-gaap	Assets Assets	34255000000	USD
CY2013Q4	rig	Settlement Obligations Payments Current SettlementObligationsPaymentsCurrent	460000000	USD
CY2013Q4	rig	Settlement Obligations Payments Noncurrent SettlementObligationsPaymentsNoncurrent	380000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	366000000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	285000000	USD
CY2011	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	11000000	USD
CY2011	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	13000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	198000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	69000000	USD
CY2013	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	18000000	USD
CY2013Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1554000000	USD
CY2013Q4	rig	Deferred Tax Assets Professional Fees DeferredTaxAssetsProfessionalFees	89000000	USD
CY2013	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	item
CY2012Q4	us-gaap	Noncurrent Assets NoncurrentAssets	20880000000	USD
CY2013Q4	us-gaap	Noncurrent Assets NoncurrentAssets	21707000000	USD
CY2013	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-size:10.0pt;font-family:Times New Roman;"> <p style="MARGIN: 0in 0in 0pt;"><b><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold;" size="2">Note 1—Nature of Business</font></b></p> <p style="MARGIN: 0in 0in 0pt;"> </p> <p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">Transocean Ltd. (together with its subsidiaries and predecessors, unless the context requires otherwise, “Transocean,” the “Company,” “we,” “us” or “our”) is a leading international provider of offshore contract drilling services for oil and gas wells.  We specialize in technically demanding sectors of the offshore drilling business with a particular focus on deepwater and harsh environment drilling services.  Our mobile offshore drilling fleet is considered one of the most versatile fleets in the world.  We contract our drilling rigs, related equipment and work crews predominantly on a dayrate basis to drill oil and gas wells.  At December 31, 2013, we owned or had partial ownership interests in and operated 79 mobile offshore drilling units associated with our continuing operations.  At December 31, 2013, our fleet consisted of 46 High-Specification Floaters (Ultra-Deepwater, Deepwater and Harsh Environment semisubmersibles and drillships), 22 Midwater Floaters, and 11 High-Specification Jackups.  At December 31, 2013, we also had seven Ultra-Deepwater drillships and five High-Specification Jackups under construction or under contract to be constructed.  See Note 10—Drilling Fleet.</font></p> <p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"> </p> <p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">We also provide oil and gas drilling management services, drilling engineering and drilling project management services primarily in the North Sea, through Advanced Drilling Technology International Limited (“ADTI”), our wholly-owned United Kingdom (“U.K.”) subsidiary.  ADTI conducts drilling management services primarily either on a dayrate or on a completed-project, fixed-price or turnkey basis.  See Note 27—Subsequent Events.</font></p> <p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"> </p> <p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">In November 2012, in connection with our plan to discontinue operations associated with the standard jackup and swamp barge asset groups, we completed the sale of 37 standard jackups and one swamp barge to Shelf Drilling Holdings, Ltd. (“Shelf Drilling”).  For a transition period following the completion of the sale transactions, we agreed to continue to operate a substantial portion of the standard jackups on behalf of Shelf Drilling and to provide certain other transition services to Shelf Drilling.  Under operating agreements, we agreed to continue to operate these standard jackups on behalf of Shelf Drilling for periods ranging from nine months to 27 months, until expiration or novation of the underlying drilling contracts by Shelf Drilling.  Under a transition services agreement, we agreed to provide certain transition services for a period of up to 18 months following the completion of the sale transactions.  As of December 31, 2013, we operated seven standard jackups under operating agreements with Shelf Drilling.  See Note 7—Discontinued Operations.</font></p> <p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"> </p> <p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">In March 2012, we announced our intent to discontinue drilling management operations in the shallow waters of the U.S. Gulf of Mexico, upon completion of our then existing contracts.  In December 2012, we completed the final project of our drilling management services operations in the U.S. Gulf of Mexico and discontinued offering our drilling management services in this region.  See Note 7—Discontinued Operations.</font></p> <p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"> </p> <p style="TEXT-INDENT: 0.5in; MARGIN: 0in 0in 0pt;"><font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2">In March 2011, we committed to a plan to sell the assets and discontinue the operations of our oil and gas properties operating segment, which comprised the exploration, development and production activities performed by Challenger Minerals Inc., Challenger Minerals (North Sea) Limited and Challenger Minerals (Ghana) Limited (collectively, “CMI”).  In October 2011, we completed the sale of Challenger Minerals (North Sea) Limited, in April 2012, we completed the sale of the assets of Challenger Minerals Inc. and, in December 2012, we completed the sale of the assets of Challenger Minerals (Ghana) Limited.  See Note 7—Discontinued Operations.</font></p> </div>
CY2012	rig	Defined Benefit Plan Contributions By Employer Using Cash Flows From Operations DefinedBenefitPlanContributionsByEmployerUsingCashFlowsFromOperations	159000000	USD
CY2011	rig	Defined Benefit Plan Contributions By Employer Using Cash Flows From Operations DefinedBenefitPlanContributionsByEmployerUsingCashFlowsFromOperations	103000000	USD
CY2012Q1	rig	Disposal Group Including Discontinued Operation Impairment Loss Long Lived Assets DisposalGroupIncludingDiscontinuedOperationImpairmentLossLongLivedAssets	93000000	USD
CY2011	rig	Personnel Expenses Recognized During Period PersonnelExpensesRecognizedDuringPeriod	2600000000	USD
CY2011	us-gaap	Stockholders Equity Other StockholdersEquityOther	6000000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	69000000	USD
CY2007Q4	us-gaap	Minority Interest Ownership Percentage By Noncontrolling Owners MinorityInterestOwnershipPercentageByNoncontrollingOwners	0.50	pure
CY2012Q2	rig	Disposal Group Including Discontinued Operation Impairment Loss Long Lived Assets DisposalGroupIncludingDiscontinuedOperationImpairmentLossLongLivedAssets	12000000	USD
CY2013Q3	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	29000000	USD
CY2013Q1	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	74000000	USD
CY2013Q4	rig	Number Of High Specification Jackups Under Constructions NumberOfHighSpecificationJackupsUnderConstructions	5	item
CY2013Q4	rig	Number Of Quarterly Installments NumberOfQuarterlyInstallments	4	item
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	15730000000	USD
CY2012	rig	Disposal Group Including Discontinued Operation Impairment Loss Goodwill DisposalGroupIncludingDiscontinuedOperationImpairmentLossGoodwill	112000000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1604000000	USD
CY2013Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	12307000000	USD
CY2012Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	13062000000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	32546000000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	34255000000	USD
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	15.00
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	15.00
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	373830649	shares
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	402282355	shares
CY2013Q4	rig	Shares Conditionally Authorized SharesConditionallyAuthorized	167617649	shares
CY2012Q4	rig	Shares Conditionally Authorized SharesConditionallyAuthorized	167617649	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	373830649	shares
CY2013Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	360764100	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	373830649	shares
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	359505251	shares
CY2013	rig	Defined Benefit Plan Contributions By Employer Using Cash Flows From Operations DefinedBenefitPlanContributionsByEmployerUsingCashFlowsFromOperations	115000000	USD
CY2012Q4	rig	Deferred Tax Assets Professional Fees DeferredTaxAssetsProfessionalFees	66000000	USD
CY2012	rig	Disposal Group Including Discontinued Operation Impairment Loss Goodwill Per Diluted Share DisposalGroupIncludingDiscontinuedOperationImpairmentLossGoodwillPerDilutedShare	0.31
CY2012	rig	Stock Issued During Period Shares Issued For Non Controlling Interest StockIssuedDuringPeriodSharesIssuedForNonControllingInterest	8700000	shares
CY2012Q4	rig	Final Cash Settlement Payment Non Controlling Interest FinalCashSettlementPaymentNonControllingInterest	72000000	USD
CY2012	rig	Disposal Group Including Discontinued Operation Impairment Loss Goodwill Tax Effect DisposalGroupIncludingDiscontinuedOperationImpairmentLossGoodwillTaxEffect	0	USD
CY2012Q2	rig	Stock Issued During Period Shares Issued For Non Controlling Interest StockIssuedDuringPeriodSharesIssuedForNonControllingInterest	8700000	shares
CY2012Q3	rig	Disposal Group Including Discontinued Operation Impairment Loss Long Lived Assets DisposalGroupIncludingDiscontinuedOperationImpairmentLossLongLivedAssets	878000000	USD
CY2012Q1	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	276000000	USD
CY2013Q4	rig	Share Repurchase Usd Exchange Rate ShareRepurchaseUsdExchangeRate	1.00	USD
CY2011	us-gaap	Goodwill Impaired Adjustment To Initial Estimate Amount GoodwillImpairedAdjustmentToInitialEstimateAmount	5200000000	USD
CY2013	rig	Payments For Proceeds From Other Investing Activities1 PaymentsForProceedsFromOtherInvestingActivities1	-17000000	USD
CY2012	rig	Payments For Proceeds From Other Investing Activities1 PaymentsForProceedsFromOtherInvestingActivities1	-40000000	USD
CY2011	rig	Payments For Proceeds From Other Investing Activities1 PaymentsForProceedsFromOtherInvestingActivities1	91000000	USD
CY2013	rig	Other Financing Activities OtherFinancingActivities	-32000000	USD
CY2012	rig	Other Financing Activities OtherFinancingActivities	-21000000	USD
CY2011	rig	Other Financing Activities OtherFinancingActivities	-116000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-496000000	USD
CY2012	rig	Goodwill Impaired Adjustment To Initial Estimate Per Diluted Share GoodwillImpairedAdjustmentToInitialEstimatePerDilutedShare	0.33
CY2013Q4	rig	Cash Distribution Per Share Proposed As Additional Paid In Capital CashDistributionPerShareProposedAsAdditionalPaidInCapital	3.00
CY2013Q4	rig	Cash Distribution Proposed As Additional Paid In Capital CashDistributionProposedAsAdditionalPaidInCapital	1100000000	USD

Files In Submission

Name	View Source	Status
0001451505-14-000031-index-headers.html	Edgar Link	pending
0001451505-14-000031-index.html	Edgar Link	pending
0001451505-14-000031.txt	Edgar Link	pending
0001451505-14-000031-xbrl.zip	Edgar Link	pending
epa_agreement.jpg	Edgar Link	pending
exhibit10_54.htm	Edgar Link	pending
exhibit21.htm	Edgar Link	pending
exhibit23_1.htm	Edgar Link	pending
exhibit24.htm	Edgar Link	pending
exhibit31_1.htm	Edgar Link	pending
exhibit31_2.htm	Edgar Link	pending
exhibit32_1.htm	Edgar Link	pending
exhibit32_2.htm	Edgar Link	pending
exhibit4_25.htm	Edgar Link	pending
exhibit99_4.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
form10_k2013.htm	Edgar Link	pending
form10_k2013.jpg	Edgar Link	pending
form10_k2013.pdf	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R100.htm	Edgar Link	pending
R101.htm	Edgar Link	pending
R102.htm	Edgar Link	pending
R103.htm	Edgar Link	pending
R104.htm	Edgar Link	pending
R105.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
R93.htm	Edgar Link	pending
R94.htm	Edgar Link	pending
R95.htm	Edgar Link	pending
R96.htm	Edgar Link	pending
R97.htm	Edgar Link	pending
R98.htm	Edgar Link	pending
R99.htm	Edgar Link	pending
report.css	Edgar Link	pending
rig-20131231.xml	Edgar Link	completed
rig-20131231.xsd	Edgar Link	pending
rig-20131231_cal.xml	Edgar Link	unprocessable
rig-20131231_def.xml	Edgar Link	unprocessable
rig-20131231_lab.xml	Edgar Link	unprocessable
rig-20131231_pre.xml	Edgar Link	unprocessable
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$RIG
Transocean Ltd. Stock $rig

2013 Q4 Form 10-K Financial Statement

#000145150514000031 Filed on February 27, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RIG Transocean Ltd. Stock $rig

2013 Q4 Form 10-K Financial Statement

#000145150514000031 Filed on February 27, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RIG
Transocean Ltd. Stock $rig