Consolidated Statements of Changes in Shareholders' Equity (USD $) In Millions	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]		Parent [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2010	$ 813	$ 12,865	$ 6,304	$ (1,227)	$ 620		$ 19,375	$ 51	$ 19,426
Net income			2,817				2,817	(3)	2,814
Other comprehensive income					(144)	[1]	(144)	3	(141)
Purchase of common stock for treasury				(779)			(779)		(779)
Shares issued to benefit plans and for option exercises	5	176		(7)			174		174
Dividends on shares			(354)				(354)		(354)
Other, net				(11)			(11)		(11)
Balance at Dec. 31, 2011	818	13,041	8,767	(2,024)	476		21,078	51	21,129
Net income			1,636				1,636	(5)	1,631
Other comprehensive income					(120)	[1]	(120)	1	(119)
Purchase of common stock for treasury				(719)			(719)		(719)
Shares issued to benefit plans and for option exercises	7	105		(1)			111		111
Dividends on shares			(472)				(472)		(472)
Other, net			1	(29)			(28)		(28)
Balance at Dec. 31, 2012	825	13,146	9,932	(2,773)	356		21,486	47	21,533
Net income			1,961				1,961		1,961
Other comprehensive income					(312)	[1]	(312)		(312)
Purchase of common stock for treasury		(200)		(1,316)			(1,516)		(1,516)
Shares issued to benefit plans and for option exercises	6	139		(1)			144		144
Dividends on shares			(566)				(566)		(566)
Other, net		(19)	(7)	(9)			(35)	2	(33)
Balance at Dec. 31, 2013	$ 831	$ 13,066	$ 11,320	$ (4,099)	$ 44		$ 21,162	$ 49	$ 21,211

[1] All amounts are after tax. Amounts in parentheses indicate debits to accumulated other comprehensive income.