CONSOLIDATED STATEMENT OF EQUITY (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock Issued	Common Stock In Treasury	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Balance at Dec. 31, 2014	$ 38,049	$ 12,495	$ (11,772)	$ 41,333	$ (4,206)	$ 199
Net income (loss)	3,125			3,088		37
Currency translation adjustments	(260)				(260)
Changes in unrealized gain on marketable securities	(36)				(36)
Changes in fair value of cash flow hedges	38				38
Pension and other postretirement benefit plans	271				271
Shares sold to optionees, less shares exchanged	127	(30)	157
Vesting of restricted stock		(95)	95
Shares issued under employee stock purchase plan	296	17	279
Stock repurchase program	(1,784)		(1,784)
Stock-based compensation expense	250	250
Dividends declared	(1,906)			(1,906)
Other	9	5	2			2
Balance at Sep. 30, 2015	38,179	12,642	(13,023)	42,515	(4,193)	238
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	(178)
Net income (loss)	$ (1,432)			(1,482)		50
Currency translation adjustments	(26)				(26)
Changes in unrealized gain on marketable securities	(2)				(2)
Changes in fair value of cash flow hedges	23				23
Pension and other postretirement benefit plans	175				175
Shares sold to optionees, less shares exchanged	$ 113	$ (52)	$ 165
Shares sold to optionees, less shares exchanged, shares	2		2
Vesting of restricted stock		(84)	$ 84
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	3		3
Stock repurchase program	$ (662)		$ (662)
Stock repurchase program, shares	(9)		(9)
Stock-based compensation expense	$ 210	210
Dividends declared	(2,018)			(2,018)
Acquisition of Cameron International Corporation	$ 10,084	103	$ 9,924			57
Acquisition of Cameron International Corporation, shares	138		138
Other	$ (27)	8	$ 4			(39)
Balance at Sep. 30, 2016	$ 42,574	$ 12,823	$ (3,571)	$ 37,370	$ (4,388)	$ 340
Balance, shares at Sep. 30, 2016	1,391	1,434	(43)