CONSOLIDATED STATEMENT OF EQUITY - USD ($) $ in Millions	Total	Capital Stock [Member]	Capital in Excess of Par Value of Stock [Member]	Retained Earnings/(Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Parent [Member]	Equity (Deficit) Attributable to Non-controlling Interests [Member]
Total equity/(deficit) at Dec. 31, 2013	$ 26,173	$ 40	$ 21,422	$ 10,208	$ (5,024)	$ (506)	$ 26,140	$ 33
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,230			1,231			1,231	(1)
Other comprehensive income/(loss), net of tax	(240)				(241)		(241)	1
Common stock issued (including share-based compensation impacts)	314		314				314
Treasury stock/other	(1,058)		(647)	(65)		(342)	(1,054)	(4)
Cash dividends declared	(1,954)			(1,952)			(1,952)	(2)
Total equity/(deficit) at Dec. 31, 2014	24,465	40	21,089	9,422	(5,265)	(848)	24,438	27
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	7,371			7,373			7,373	(2)
Other comprehensive income/(loss), net of tax	(992)				(992)		(992)
Common stock issued (including share-based compensation impacts)	333	1	332				333
Treasury stock/other	(134)			(1)		(129)	(130)	(4)
Cash dividends declared	(2,386)			(2,380)			(2,380)	(6)
Total equity/(deficit) at Dec. 31, 2015	28,657	41	21,421	14,414	(6,257)	(977)	28,642	15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,607			4,596			4,596	11
Other comprehensive income/(loss), net of tax	(757)				(756)		(756)	(1)
Common stock issued (including share-based compensation impacts)	209		209				209
Treasury stock/other	(148)					(145)	(145)	(3)
Cash dividends declared	(3,381)			(3,376)			(3,376)	(5)
Total equity/(deficit) at Dec. 31, 2016	$ 29,187	$ 41	$ 21,630	$ 15,634	$ (7,013)	$ (1,122)	$ 29,170	$ 17