CONSOLIDATED STATEMENT OF EQUITY (USD $) In Millions	Total	Common Stock Issued	Common Stock In Treasury	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Balance, at Dec. 31, 2011	$ 31,392	$ 11,639	$ (5,679)	$ 28,860	$ (3,557)	$ 129
Net income	4,147			4,127		20
Currency translation adjustments	40				40
Changes in fair value of derivatives	23				23
Pension and other postretirement benefit plans	164				164
Shares sold to optionees, less shares exchanged	139	(63)	202
Vesting of restricted stock		(16)	16
Shares issued under employee stock purchase plan	247	16	231
Stock repurchase program	(972)		(972)
Stock-based compensation expense	251	251
Dividends declared	(1,098)			(1,098)
Other	(22)	13	2		5	(42)
Balance, at Sep. 30, 2012	34,311	11,840	(6,200)	31,889	(3,325)	107
Balance, at Dec. 31, 2012	34,858	11,912	(6,160)	32,887	(3,888)	107
Balance, shares at Dec. 31, 2012	1,328	1,434	(106)
Net income	5,091			5,068		23
Currency translation adjustments	(139)				(139)
Changes in unrealized gain on marketable securities	58				58
Changes in fair value of derivatives	(12)				(12)
Pension and other postretirement benefit plans	255				255
Shares sold to optionees, less shares exchanged	145	(31)	176
Shares sold to optionees, less shares exchanged, shares	3		3
Vesting of restricted stock		(48)	48
Vesting of restricted stock, shares	1		1
Shares issued under employee stock purchase plan	270	18	252
Shares issued under employee stock purchase plan, shares	4		4
Stock repurchase program	(1,526)		(1,526)
Stock-based compensation expense	255	255
Dividends declared	(1,244)			(1,244)
Other	20	2	2			16
Stock repurchase program, shares	(19)		(19)
Balance, at Sep. 30, 2013	$ 38,031	$ 12,108	$ (7,208)	$ 36,711	$ (3,726)	$ 146
Balance, shares at Sep. 30, 2013	1,317	1,434	(117)