CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net income (loss)	$ (782)	$ 312	$ (1,092)	$ 873
Net change in unrealized gains (losses), net of tax as applicable on:
Securities available-for-sale, not other-than-temporarily impaired	97	655	218	797
Other-than-temporary impaired debt securities available-for-sale				1	[1]
Other-than-temporary impaired debt securities held-to-maturity				11	[1]
Adjustment to reverse other-than-temporary impairment on securities held-to-maturity due to deconsolidation of a variable interest entity				142
Derivatives designated as cash flow hedges	11	(124)	11	(141)
Unrecognized actuarial gains, transition obligation and prior service costs relating to pension and postretirement benefits, net of tax			1	2
Other comprehensive income, net of tax	108	531	230	812
Comprehensive income(loss)	$ (674)	$ 843	$ (862)	$ 1,685

[1] During the three and nine months ended September 30, 2012 and 2011, there were no other-than-temporary impairment ("OTTI") losses on securities recognized in other revenues and no OTTI losses in the non-credit component on securities were recognized in accumulated other comprehensive income.