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)	2,122			2,099		23
Currency translation adjustments	(94)				(94)
Changes in unrealized gain on marketable securities	(10)				(10)
Changes in fair value of cash flow hedges	30				30
Pension and other postretirement benefit plans	172				172
Shares sold to optionees, less shares exchanged	112	(25)	137
Vesting of restricted stock		(67)	67
Shares issued under employee stock purchase plan	144	9	135
Stock repurchase program	(1,239)		(1,239)
Stock-based compensation expense	167	167
Dividends declared	(1,274)			(1,274)
Other	6	7	1			(2)
Balance at Jun. 30, 2015	38,185	12,586	(12,671)	42,158	(4,108)	220
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)	$ (1,623)			(1,659)		36
Currency translation adjustments	(51)				(51)
Changes in unrealized gain on marketable securities	3				3
Changes in fair value of cash flow hedges	12				12
Pension and other postretirement benefit plans	116				116
Shares sold to optionees, less shares exchanged	$ 79	$ (38)	$ 117
Shares sold to optionees, less shares exchanged, shares	2		2
Vesting of restricted stock		(63)	$ 63
Vesting of restricted stock, shares	1		1
Shares issued under employee stock purchase plan	$ 116	(19)	$ 135
Shares issued under employee stock purchase plan, shares	1		1
Stock repurchase program	$ (506)		$ (506)
Stock repurchase program, shares	(7)		(7)
Stock-based compensation expense	$ 145	145
Dividends declared	(1,322)			(1,322)
Acquisition of Cameron International Corporation	$ 10,084	103	$ 9,924			57
Acquisition of Cameron International Corporation, shares	138		138
Other	$ 21	14	$ 3			4
Balance at Jun. 30, 2016	$ 42,979	$ 12,835	$ (3,636)	$ 37,889	$ (4,478)	$ 369
Balance, shares at Jun. 30, 2016	1,391	1,434	(43)