CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities
Net income	$ 296	$ 154
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	(22)	(3)
Provision for credit losses	(77)	157
Net realized gains on securities available-for-sale	(5)	(29)
Net change in other assets and liabilities	441	(206)
Net change in loans held for sale:
Originations and purchases of loans held for sale	(500)	(388)
Sales and collections of loans held for sale	738	444
Net change in trading assets and liabilities	(6,857)	152
Lower of amortized cost or fair value adjustments on loans held for sale	(8)	59
Gain on instruments designated at fair value and related derivatives	(34)	(216)
Net cash provided by operating activities	(6,028)	124
Cash flows from investing activities
Net change in interest bearing deposits with banks	2,368	(6,732)
Net change in federal funds sold and securities purchased under agreements to resell	(521)	(5,282)
Securities available-for-sale:
Purchases of securities available-for-sale	(3,636)	(6,279)
Proceeds from sales of securities available-for-sale	2,249	4,039
Proceeds from maturities of securities available-for-sale	528	346
Securities held-to-maturity:
Purchases of securities held-to-maturity	(1,096)	(88)
Proceeds from maturities of securities held-to-maturity	580	465
Change in loans:
Originations, net of collections	3,771	(211)
Loans sold to third parties	1,319	16
Net cash used for acquisitions of properties and equipment	(6)	(6)
Other, net	230	(51)
Net cash used in investing activities	5,786	(13,783)
Cash flows from financing activities
Net change in deposits	11	7,557
Debt:
Net change in short-term borrowings	338	4,908
Issuance of long-term debt	1,691	1,772
Repayment of long-term debt	(1,990)	(667)
Other decreases in capital surplus	(6)	(2)
Dividends paid	0	(14)
Net cash provided by financing activities	44	13,554
Net change in cash and due from banks	(198)	(105)
Cash and due from banks at beginning of period	1,235	968
Cash and due from banks at end of period	$ 1,037	$ 863