CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (USD $) In Millions, except Share data	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Noncontrolling Interests [Member]
Beginning balance at Dec. 31, 2013	$ 6,002	$ 6	$ 4,596	$ 6,289	$ 154	$ (5,338)	$ 295
Beginning balance, shares at Dec. 31, 2013		630,282				(165,962)
Consolidated net income	237			228			9
Other comprehensive income (loss), net of taxes	(65)				(65)
Cash dividends	(174)			(174)
Equity-based compensation transactions, including dividend equivalents, net of taxes	41		11	(1)		31
Equity-based compensation transactions, including dividend equivalents, net of taxes, shares						974
Distributions paid to noncontrolling interests	(2)						(2)
Other
Other, shares						2
Ending balance at Mar. 31, 2014	$ 6,039	$ 6	$ 4,607	$ 6,342	$ 89	$ (5,307)	$ 302
Ending balance, shares at Mar. 31, 2014		630,282				(164,986)