CONSOLIDATED STATEMENT 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, 2008		$ 19,156		$ 47	$ 5,696	$ 14,179	$ (686)	$ (441)	$ 361
Net income (loss)		(103)				(135)			32
Common stock issued		1,550		3	1,547
Dividends - common		(176)				(176)
Repurchase of common stock		(35)					(35)
Sale of subsidiary units	[1]	115							115
Contributions from (distributions to) noncontrolling interest owners and other, net		(21)							(21)
Reclassification of previously deferred derivative losses to net income		22	[2]					22
Adjustments for pension and other postretirement plans		(94)						(94)
Other		1						1
Balance at Dec. 31, 2009		20,415		50	7,243	13,868	(721)	(512)	487
Net income (loss)		821				761			60
Common stock issued		254		1	253
Dividends - common		(180)				(180)
Repurchase of common stock		(42)					(42)
Sale of subsidiary units	[1]	295							295
Contributions from (distributions to) noncontrolling interest owners and other, net		(87)							(87)
Reclassification of previously deferred derivative losses to net income		17	[2]					17
Adjustments for pension and other postretirement plans		(54)						(54)
Balance at Dec. 31, 2010		21,439		51	7,496	14,449	(763)	(549)	755
Net income (loss)		(2,568)				(2,649)			81
Common stock issued		161			161
Dividends - common		(181)				(181)
Repurchase of common stock		(41)					(41)
Sale of subsidiary units	[1]	301			32				269
Conversion of subordinated limited partner units to common units	[3]				162				(162)
Contributions from (distributions to) noncontrolling interest owners and other, net		(65)							(65)
Reclassification of previously deferred derivative losses to net income		10	[2]					10
Adjustments for pension and other postretirement plans		(73)						(73)
Balance at Dec. 31, 2011		$ 18,983		$ 51	$ 7,851	$ 11,619	$ (804)	$ (612)	$ 878

[1] Paid-in capital and noncontrolling interests includes $18 million and $9 million, respectively, of tax associated with subsidiary equity transactions for the year ended December 31, 2011. Noncontrolling interests includes $43 million and $5 million of tax associated with subsidiary equity transactions for the years ended December 31, 2010 and 2009, respectively.

[2] Net of income tax benefit (expense) of $(5) million, $(9) million, and $(12) million for the years ended December 31, 2011, 2010, and 2009, respectively.

[3] Includes $82 million of tax associated with subsidiary equity transactions that occurred prior to the conversion of subordinated limited partner units to common units.