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	5,188			5,136		52
Currency translation adjustments	(176)				(176)
Changes in unrealized gain on marketable securities	(132)				(132)
Changes in fair value of cash flow hedges	(79)				(79)
Pension and other postretirement benefit plans	200				200
Shares sold to optionees, less shares exchanged	500	(18)	518
Vesting of restricted stock		(68)	68
Shares issued under employee stock purchase plan	295	33	262
Stock repurchase program	(3,582)		(3,582)
Stock-based compensation expense	246	246
Dividends declared	(1,559)			(1,559)
Shares issued for acquisition	213	72	141
Other	(62)	(29)	3			(36)
Balance at Sep. 30, 2014	40,687	12,428	(10,725)	41,543	(2,741)	182
Balance at Dec. 31, 2014	38,049	12,495	(11,772)	41,333	(4,206)	199
Net income	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, shares at Dec. 31, 2014	1,275	1,434	(159)
Shares sold to optionees, less shares exchanged, shares	2		2
Vesting of restricted stock, shares	1		1
Shares issued under employee stock purchase plan, shares	4		4
Stock repurchase program, shares	(21)		(21)
Balance, shares at Sep. 30, 2015	1,261	1,434	(173)