CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities
Net income	$ 455	$ 284
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	122	87
Provision for credit losses	94	124
Other-than-temporary impairment related to securities held-to-maturity	0	11
Net realized gains on securities available-for-sale	(69)	(42)
Net change in other assets and liabilities	(463)	338
Net change in loans held for sale:
Originations and purchases of loans held for sale	(1,823)	(1,040)
Sales and collections of loans held for sale	1,974	1,004
Net change in trading assets and liabilities	3,612	5,097
Lower of amortized cost or fair value adjustments on loans held for sale	15	(2)
Loss (gain) on instruments designated at fair value and related derivatives	(306)	(20)
Net cash provided by operating activities	3,611	5,841
Cash flows from investing activities
Net change in interest bearing deposits with banks	8,507	(6,765)
Net change in federal funds sold and securities purchased under agreements to resell	(19,010)	1,023
Securities available-for-sale:
Purchases of securities available-for-sale	(17,435)	(11,775)
Proceeds from sales of securities available-for-sale	9,882	23,600
Proceeds from maturities of securities available-for-sale	1,596	3,037
Securities held-to-maturity:
Purchases of securities held-to-maturity	(2,890)	0
Proceeds from maturities of securities held-to-maturity	1,856	305
Change in loans:
Originations, net of collections	(7,229)	(6,707)
Loans sold to third parties	0	790
Net cash used for acquisitions of properties and equipment	(29)	(23)
Other, net	(384)	34
Net cash provided by (used in) investing activities	(25,136)	3,519
Cash flows from financing activities
Net change in deposits	15,358	(4,048)
Debt:
Net change in short-term borrowings	(3,851)	(7,271)
Issuance of long-term debt	15,775	4,984
Repayment of long-term debt	(9,387)	(2,921)
Preferred stock redemption	(300)	0
Capital contribution from parent	4,000	0
Other decreases in capital surplus	3	3
Dividends paid	(50)	(55)
Net cash provided by (used in) financing activities	21,548	(9,308)
Net change in cash and due from banks	23	52
Cash and due from banks at beginning of period	891	961
Cash and due from banks at end of period	$ 914	$ 1,013