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, 2013	$ 39,635	$ 12,192	$ (8,135)	$ 37,966	$ (2,554)	$ 166
Net income	3,224			3,187		37
Currency translation adjustments	(30)				(30)
Changes in unrealized gain on marketable securities	30				30
Changes in fair value of cash flow hedges	19				19
Pension and other postretirement benefit plans	136				136
Shares sold to optionees, less shares exchanged	358	(12)	370
Vesting of restricted stock		(54)	54
Shares issued under employee stock purchase plan	134	6	128
Stock repurchase program	(2,074)		(2,074)
Stock-based compensation expense	162	162
Dividends declared	(1,042)			(1,042)
Shares issued for acquisition	213	72	141
Other	(63)	(28)	2			(37)
Balance at Jun. 30, 2014	40,702	12,338	(9,514)	40,111	(2,399)	166
Balance at Dec. 31, 2014	38,049	12,495	(11,772)	41,333	(4,206)	199
Net income	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, shares at Dec. 31, 2014	1,275	1,434	(159)
Shares sold to optionees, less shares exchanged, shares	1		1
Vesting of restricted stock, shares	1		1
Shares issued under employee stock purchase plan, shares	2		2
Stock repurchase program, shares	(14)		(14)
Balance, shares at Jun. 30, 2015	1,265	1,434	(169)