CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - Jun. 30, 2015 - USD ($) $ in Millions	Common Stock [Member]	Preferred Stock [Member] Series B Preferred Stock [Member]	Additional Paid-in Capital Series B Preferred Stock [Member]	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Common Stock in Treasury	Series B Preferred Stock [Member]	Total
Balance, shares at Dec. 31, 2014	354,488,992
Balance at Dec. 31, 2014	$ 4			$ 1,019	$ 3,577	$ 62			$ 4,662
Comprehensive loss:
Net loss					(710)				(710)
Other comprehensive loss						(49)			(49)
Comprehensive income (loss)									(759)
Stock-based compensation				23					23
Preferred stock dividends					(52)				(52)
Issuance of restricted stock, shares	102,604
Cancellation of restricted stock, shares	(54,488)
Issuance of stock, shares	30,000,000	1,725,000
Issuance of stock			$ 1,673	669				$ 1,673	669
Treasury stock - non-qualified plan							$ (1)		(1)
Tax withholding - stock compensation, shares	(769)
Balance, shares at Jun. 30, 2015	384,536,339
Balance, shares at Jun. 30, 2015		1,725,000						1,725,000
Balance at Jun. 30, 2015	$ 4			$ 3,384	2,818	$ 13	$ (1)		6,218
Comprehensive loss:
Non-controlling interest					$ 3				$ 3