CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities
Net income	$ 251	$ 283
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	77	56
Provision for credit losses	47	101
Other-than-temporary impairment related to securities held-to-maturity	0	7
Net realized gains on securities available-for-sale	(58)	(15)
Net change in other assets and liabilities	(564)	(538)
Net change in loans held for sale:
Originations of loans	(1,341)	(654)
Sales and collection of loans held for sale	1,276	537
Net change in trading assets and liabilities	1,605	1,678
Lower of amortized cost or fair value adjustments on loans held for sale	9	0
Loss (gain) on instruments designated at fair value and related derivatives	(141)	16
Net cash provided by operating activities	1,161	1,471
Cash flows from investing activities
Net change in interest bearing deposits with banks	10,748	(4,332)
Net change in federal funds sold and securities purchased under agreements to resell	(14,699)	(192)
Securities available-for-sale:
Purchases of securities available-for-sale	(13,190)	(6,512)
Proceeds from sales of securities available-for-sale	8,692	15,999
Proceeds from maturities of securities available-for-sale	995	1,541
Securities held-to-maturity:
Purchases of securities held-to-maturity	(1,995)	0
Proceeds from maturities of securities held-to-maturity	1,288	153
Change in loans:
Originations, net of collections	(5,943)	(5,441)
Loans sold to third parties	130	692
Net cash used for acquisitions of properties and equipment	(25)	(10)
Other, net	(387)	10
Net cash provided by (used in) investing activities	(14,386)	1,908
Cash flows from financing activities
Net change in deposits	6,428	2,755
Debt:
Net change in short-term borrowings	(69)	(6,229)
Issuance of long-term debt	12,128	3,887
Repayment of long-term debt	(8,739)	(2,392)
Preferred stock redemption	(300)	0
Capital contribution from parent	4,000	0
Other decreases in capital surplus	(1)	0
Dividends paid	(36)	(36)
Net cash provided by (used in) financing activities	13,411	(2,015)
Net change in cash and due from banks	186	1,364
Cash and due from banks at beginning of period	891	961
Cash and due from banks at end of period	$ 1,077	$ 2,325