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COMMITMENTS AND GUARANTEES (Other and Community Development Programs) (Details) - USD ($) shares in Millions, $ in Millions		1 Months Ended	3 Months Ended	4 Months Ended		12 Months Ended
	Jan. 05, 2016	Jan. 31, 2017	Jun. 30, 2016	Nov. 23, 2016	Aug. 04, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	May 10, 2016
Other Commitments [Line Items]
Cost of sales						$ 17,580	$ 27,415	$ 18,494
Community Development Programs \| PT-FI
Other Commitments [Line Items]
Cost of sales						$ 33	$ 27	$ 31
Percentage of annual revenue committed for the development of the local people in the area of operations						1.00%
Ultra-deepwater Drillship Contracts [Member]
Other Commitments [Line Items]
Proceeds from Issuance of Common Stock, Gross			$ 540
Rowan Companies plc [Member] \| Contract Termination [Member]
Other Commitments [Line Items]
Loss Contingency Accrual, Payments						$ 215
Rowan Companies plc [Member] \| Contract Termination [Member] \| Subsequent Event [Member]
Other Commitments [Line Items]
Loss Contingency Accrual, Payments		$ 6
Ultra-deepwater Drillship Contracts [Member]
Other Commitments [Line Items]
Unrecorded Unconditional Purchase Obligation, Change of Amount as Result of Variable Components			1,100
Ultra-deepwater Drillship Contracts [Member] \| Rowan Companies plc [Member] \| Maximum
Other Commitments [Line Items]
Contingent Payments, Contract Termination									$ 30
Ultra-deepwater Drillship Contracts [Member] \| Noble Drilling LLC [Member] \| Maximum
Other Commitments [Line Items]
Contingent Payments, Contract Termination									$ 75
Fair Value, Measurements, Recurring [Member] \| Carrying Amount, Fair Value Disclosure [Member]
Other Commitments [Line Items]
Unrecorded Unconditional Purchase Obligation, Change of Amount as Result of Variable Components			$ 0
Common Stock
Other Commitments [Line Items]
Stock Issued During Period, Shares, New Issues	4.3		48.1	116.5	27.7	197.0	205.7