CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Cameron	Common Stock Issued	Common Stock Issued Cameron	Common Stock In Treasury	Common Stock In Treasury Cameron	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Balance at Dec. 31, 2014	$ 38,049		$ 12,495		$ (11,772)		$ 41,333	$ (4,206)	$ 199
Balance, shares at Dec. 31, 2014	1,275		1,434
Treasury shares, Balance at Dec. 31, 2014					(159)
Net income (loss)	$ 2,135						2,072		63
Currency translation adjustments	(522)							(522)
Changes in unrealized gain on marketable securities	(10)							(10)
Changes in fair value of cash flow hedges	57							57
Pension and other postretirement benefit plans	123							123
Shares sold to optionees, less shares exchanged	$ 152		$ (38)		$ 190
Shares sold to optionees, less shares exchanged, shares	3				3
Vesting of restricted stock			(112)		$ 112
Vesting of restricted stock, shares	1				1
Shares issued under employee stock purchase plan	$ 296		17		$ 279
Shares issued under employee stock purchase plan, shares	4				4
Stock repurchase program	$ (2,182)				$ (2,182)
Stock repurchase program, shares	(27)				(27)
Stock-based compensation expense	$ 326		326
Dividends declared	(2,535)						(2,535)
Other	16		5		$ 1				10
Balance at Dec. 31, 2015	$ 35,905		$ 12,693		$ (13,372)		40,870	(4,558)	272
Balance, shares at Dec. 31, 2015	1,256		1,434
Treasury shares, Balance at Dec. 31, 2015					(178)
Net income (loss)	$ (1,627)						(1,687)		60
Currency translation adjustments	(83)							(83)
Changes in unrealized gain on marketable securities	21							21
Changes in fair value of cash flow hedges	20							20
Pension and other postretirement benefit plans	(43)							(43)
Shares sold to optionees, less shares exchanged	$ 184		$ (82)		$ 266
Shares sold to optionees, less shares exchanged, shares	3				3
Vesting of restricted stock			(122)		$ 122
Vesting of restricted stock, shares	1				1
Shares issued under employee stock purchase plan	$ 231		(55)		$ 286
Shares issued under employee stock purchase plan, shares	4				4
Stock repurchase program	$ (778)				$ (778)
Stock repurchase program, shares	(11)				(11)
Stock-based compensation expense	$ 267		267
Dividends declared	(2,713)						(2,713)
Shares issued for acquisition		$ 10,027		$ 103		$ 9,924
Shares issued for acquisition, shares		138				138
Acquisition of noncontrolling interest	106								106
Other	12		(3)		$ 2				13
Balance at Dec. 31, 2016	$ 41,529		$ 12,801		$ (3,550)		36,470	(4,643)	451
Balance, shares at Dec. 31, 2016	1,391		1,434
Treasury shares, Balance at Dec. 31, 2016					(43)
Net income (loss)	$ (1,513)						(1,505)		(8)
Currency translation adjustments	(3)							(3)
Changes in unrealized gain on marketable securities	(8)							(8)
Changes in fair value of cash flow hedges	22							22
Pension and other postretirement benefit plans	358							358
Shares sold to optionees, less shares exchanged	$ 85		$ (10)		$ 95
Shares sold to optionees, less shares exchanged, shares	1				1
Vesting of restricted stock			(110)		$ 110
Vesting of restricted stock, shares	2				2
Shares issued under employee stock purchase plan	$ 212		(52)		$ 264
Shares issued under employee stock purchase plan, shares	3				3
Stock repurchase program	$ (969)				$ (969)
Stock repurchase program, shares	(13)				(13)
Stock-based compensation expense	$ 343		343
Dividends declared	(2,775)						(2,775)
Other	(20)		3		$ 1				(24)
Balance at Dec. 31, 2017	$ 37,261		$ 12,975		$ (4,049)		$ 32,190	$ (4,274)	$ 419
Balance, shares at Dec. 31, 2017	1,384		1,434
Treasury shares, Balance at Dec. 31, 2017					(50)