Consolidated Changes in Stockholders' Equity (USD $) In Millions	Common Stock [Member]	Capital in Excess of Par value [Member]	Retained Earnings [Member]	Accumulated Other Elements of Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Noncontrolling Interests [Member]	Total
Balance at Dec. 31, 2011	$ 3	$ 2,072	$ 3,370	$ (91)	$ (647)	$ 0	$ 4,707
Net income		0	751	0	0	0	751
Other comprehensive income (loss)		0	0	61	0	0	61
Non-cash stock compensation expense		44	0	0	0	0	44
Purchase of treasury stock		0	0	0	(22)	0	(22)
Treasury stock issued under stock compensation plans		(34)	0	0	47	0	13
Tax benefit of stock compensation plan transactions		12	0	0	0	0	12
Distributions to noncontrolling interest owners	0
Balance at Dec. 31, 2012	3	2,094	4,121	(30)	(622)	0	5,566
Formation of OneSubsea, net of tax effects of $90		1,083	0	0	0	927	2,010
Net income		0	699	0	0	25	724
Other comprehensive income (loss)		0	0	(50)	0	6	(45)
Non-cash stock compensation expense		54	0	0	0	0	54
Net change in treasury shares owned by participants in nonqualified deferred compensation plans		0	0	0	(2)	0	(2)
Purchase of treasury stock		0	0	0	(1,533)	0	(1,533)
Treasury stock issued under stock compensation plans		(28)	0	0	59	0	31
Tax benefit of stock compensation plan transactions		10	0	0	0	0	10
Contributions from noncontrolling interest owners		0	0	0	0	75	75
Purchases of noncontrolling ownership interests		0	0	0	0	(7)	(7)
Distributions to noncontrolling interest owners	0
Other noncontrolling interests		0	0	0	0	38	38
Other		(6)	0	0	0	0	(6)
Balance at Dec. 31, 2013	3	3,207	4,820	(80)	(2,098)	1,064	6,916
Net income		0	811	0	0	37	848
Other comprehensive income (loss)		0	0	(460)	0	(174)	(634)
Non-cash stock compensation expense		54	0	0	0	0	54
Purchase of treasury stock		0	0	0	(1,750)	0	(1,750)
Treasury stock issued under stock compensation plans		(12)	0	0	54	0	42
Tax benefit of stock compensation plan transactions		6	0	0	0	0	6
Purchases of noncontrolling ownership interests		0	0	0	0	4	4
Distributions to noncontrolling interest owners	0	0	0	0	0	(42)	(42)
Balance at Dec. 31, 2014	$ 3	$ 3,255	$ 5,631	$ (540)	$ (3,794)	$ 889	$ 5,444