Consolidated Statement of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities
Net income (loss)	$ (310)	$ 561
Income (loss) from discontinued operations	203	300
Income (loss) from continuing operations	(513)	261
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	108	154
Gain on sale of branches	(330)
Expense accrual related to certain regulatory matters	700
Impairment of internally developed software		94
Provision for credit losses	89	93
Realized gains on securities available-for-sale	(95)	(56)
Net change in other assets and liabilities	548	833
Change in loans held for sale:
Originations of loans	(1,702)	(1,626)
Sales and collection of loans held for sale	1,756	2,432
Net change in trading assets and liabilities	9,044	688
Lower of cost or fair value adjustments on loans held for sale	18	30
Mark-to-market (gains) losses on financial instruments designated at fair value and related derivatives	71	(58)
Net change in fair value of derivatives and hedged items	320	(226)
Cash provided by operating activities - continuing operations	10,014	2,619
Cash provided by operating activities - discontinued operations	614	998
Net cash provided by operating activities	10,628	3,617
Cash flows from investing activities
Net change in interest bearing deposits with banks	6,645	(22,333)
Net change in federal funds sold and securities purchased under agreements to resell	(10,557)	3,943
Securities available-for-sale:
Purchases of securities available-for-sale	(21,755)	(14,033)
Proceeds from sales of securities available-for-sale	7,049	13,582
Proceeds from maturities of securities available-for-sale	7,256	1,725
Securities held-to-maturity:
Proceeds from maturities of securities held-to-maturity	191	415
Change in loans:
Originations, net of collections	(4,464)	(1,811)
Loans sold to third parties	53	196
Net cash used for acquisitions of properties and equipment	(2)	(3)
Net outflow related to sale of branches	(7,768)
Other, net	(66)	(60)
Cash used in investing activities - continuing operations	(23,418)	(18,379)
Cash provided by investing activities - discontinued operations	21,186	1,654
Net cash used in investing activities	(2,232)	(16,725)
Cash flows from financing activities
Net change in deposits	(6,384)	9,851
Debt:
Net change in short-term borrowings	(5,278)	1,103
Issuance of long-term debt	4,739	4,469
Repayment of long-term debt	(1,457)	(2,267)
Repayment of debt issued related to the sale and leaseback of 452 Fifth Avenue property	(8)	(15)
Other decreases in capital surplus	(24)
Dividends paid	(37)	(36)
Cash provided by (used in) financing activities - continuing operations	(8,449)	13,105
Cash used in financing activities - discontinued operations	(35)	(147)
Net cash provided by (used in) financing activities	(8,484)	12,958
Net change in cash and due from banks	(88)	(150)
Cash and due from banks at beginning of period	1,616	1,693
Cash and due from banks at end of period	1,528	1,543
Supplemental disclosure of non-cash flows investing activities
Trading securities pending settlement	$ (12)	$ (289)