CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Millions	Total		Common Stock [Member]	Paid-in Capital [Member]		Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interests [Member]
Balance at Dec. 31, 2012	$ 21,882		$ 51	$ 8,230		$ 13,829	$ (841)	$ (640)	$ 1,253
Net income (loss)	484					460			24
Common stock issued	51		1	50
Dividends - common	(46)					(46)
Repurchase of common stock	(27)						(27)
Subsidiary equity transactions	(3)			2	[1]				(5)
Distributions to noncontrolling interest owners	(33)								(33)
Contributions from noncontrolling interest owners	1								1
Reclassification of previously deferred derivative losses to (gains) losses on derivatives, net	2	[2]						2
Adjustments for pension and other postretirement plans	19							19
Balance at Mar. 31, 2013	$ 22,330		$ 52	$ 8,282		$ 14,243	$ (868)	$ (619)	$ 1,240

[1] The $2 million increase to paid-in capital, together with the Company’s net income (loss) attributable to common stockholders, totaled $462 million for the three months ended March 31, 2013.

[2] Net of income tax benefit (expense) of $(1) million for the three months ended March 31, 2013 and 2012.