CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Millions	Total	Preferred Stock [Member]	Common stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance as of beginning-of-year at Dec. 31, 2009		$ 806	$ 7,840	$ 3,316	$ (262)
Issuance (redemption) of Series B preferred stock		(950)
Accretion of discount on Series B preferred stock		144		(144)
Issuance of common stock			368
Issuance (repurchase and cancellation) of common stock warrants			(48)
Stock compensation/issued for benefit plans			11
Effect of amendment to deferred compensation plans			(29)
Retirement of common stock/cancellation of shares			0
Cumulative effect from adoption of new accounting standards				(169)	181
Comprehensive income (loss)				2,528
Less other comprehensive income (loss), net of tax				1,743
Other comprehensive income (loss), net of tax					1,743
Net income (loss)	785			785
Retirement of common stock				0
Dividends declared: Common (2011 - $0.150; 2010 - $0.030)				(9)
Dividends on preferred stock				(24)
Balance as of end-of-period at Sep. 30, 2010	13,559	0	8,142	3,755	1,662
Balance as of beginning-of-year at Dec. 31, 2010	12,806	0	8,124	3,934	748
Issuance of Series B preferred stock		0
Accretion of discount on Series B preferred stock		0		0
Issuance of common stock			0
Issuance (repurchase and cancellation) of common stock warrants			0
Stock compensation/issued for benefit plans			13
Effect of amendment to deferred compensation plans			0
Retirement of common stock/cancellation of shares			(345)
Cumulative effect from adoption of new accounting standards				0	0
Comprehensive income (loss)				2,523
Less other comprehensive income (loss), net of tax				1,715
Other comprehensive income (loss), net of tax					1,715
Net income (loss)	808			808
Retirement of common stock				(30)
Dividends declared: Common (2011 - $0.150; 2010 - $0.030)				(48)
Dividends on preferred stock				0
Balance as of end-of-period at Sep. 30, 2011	$ 14,919	$ 0	$ 7,792	$ 4,664	$ 2,463