CONSOLIDATED STATEMENT OF EQUITY (Unaudited) (USD $) In Millions	Total	Common Stock Issued	Common Stock In Treasury	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning Balance at Dec. 31, 2010	$ 31,444	$ 11,920	$ (3,136)	$ 25,210	$ (2,768)	$ 218
Net income	943			944		(1)
Currency translation adjustments	131				129	2
Changes in fair value of derivatives	(35)				(35)
Deferred employee benefits liabilities	31				31
Shares sold to optionees, less shares exchanged	146	(8)	154
Vesting of restricted stock		(10)	10
Shares issued under employee stock purchase plan	90	14	76
Stock repurchase program	(844)		(844)
Stock-based compensation expense	67	67
Dividends declared ($0.275 per share and $0.25 per share)	(340)			(340)
Other	(7)					(7)
Ending Balance at Mar. 31, 2011	31,626	11,983	(3,740)	25,814	(2,643)	212
Beginning Balance at Dec. 31, 2011	31,392	11,639	(5,679)	28,860	(3,557)	129
Beginning Balance, in Shares at Dec. 31, 2011	1,334	1,434	(100)
Net income	1,310			1,301		9
Currency translation adjustments	111				111
Changes in fair value of derivatives	45				45
Deferred employee benefits liabilities	36				36
Shares sold to optionees, less shares exchanged	88	(33)	121
Vesting of restricted stock		(11)	11
Shares issued under employee stock purchase plan	115	11	104
Stock repurchase program	(324)		(324)
Stock-based compensation expense	79	79
Dividends declared ($0.275 per share and $0.25 per share)	(367)			(367)
Other	3					3
Shares sold to optionees, less shares exchanged, in Shares	2		2
Shares issued under employee stock purchase plan, in Shares	2		2
Stock repurchase program, in Shares	(4)		(4)
Ending Balance at Mar. 31, 2012	$ 32,488	$ 11,685	$ (5,767)	$ 29,794	$ (3,365)	$ 141
Ending Balance, in Shares at Mar. 31, 2012	1,334	1,434	(100)