Consolidated Statements of Equity - USD ($) $ in Millions	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Reinvested Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2013	$ 16,286	$ 237	$ 304	$ 11,072	$ 16,633	$ (5,290)	$ (6,727)	$ 57
Sale of a majority interest in a consolidated subsidiary	(5)							(5)
Net income	3,636				3,625			11
Other comprehensive (loss) income	(3,265)					(3,266)		1
Common dividends	(1,701)				(1,695)			(6)
Preferred dividends	(10)				(10)
Common Stock
Issued - compensation plans	437		3	434
Repurchased	(2,000)						(2,000)
Retired	0		(9)	(332)	(1,659)		2,000
Balance at Dec. 31, 2014	13,378	237	298	11,174	16,894	(8,556)	(6,727)	58
Consolidation of a joint venture	150			(1)				151
Net income	1,959				1,953			6
Other comprehensive (loss) income	(1,308)					(1,308)
Common dividends	(1,546)				(1,542)			(4)
Preferred dividends	(10)				(10)
Common Stock
Issued - compensation plans	361		2	359
Repurchased	(2,353)						(2,353)
Retired	0		(12)	(451)	(1,890)		2,353
Spin-off of Chemours	(431)				(895)	468		(4)
Balance at Dec. 31, 2015	10,200	237	288	11,081	14,510	(9,396)	(6,727)	207
Sale of a majority interest in a consolidated subsidiary	(9)			(4)				(5)
Net income	2,525				2,513			12
Other comprehensive (loss) income	(515)					(515)
Common dividends	(1,347)				(1,331)			(16)
Preferred dividends	(10)				(10)
Common Stock
Issued - compensation plans	268		1	267
Repurchased	(916)						(916)
Retired	0		(4)	(154)	(758)		916
Balance at Dec. 31, 2016	$ 10,196	$ 237	$ 285	$ 11,190	$ 14,924	$ (9,911)	$ (6,727)	$ 198