CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities
Net income	$ 154	$ 164
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	(3)	37
Provision for credit losses	157	53
Net realized gains on securities available-for-sale	(29)	(23)
Net change in other assets and liabilities	(206)	650
Net change in loans held for sale:
Originations and purchases of loans held for sale	(388)	(760)
Sales and collections of loans held for sale	444	758
Net change in trading assets and liabilities	152	1,772
Lower of amortized cost or fair value adjustments on loans held for sale	59	6
Gain on instruments designated at fair value and related derivatives	(216)	(85)
Net cash provided by operating activities	124	2,572
Cash flows from investing activities
Net change in interest bearing deposits with banks	(6,732)	(1,442)
Net change in federal funds sold and securities purchased under agreements to resell	(5,282)	(5,552)
Securities available-for-sale:
Purchases of securities available-for-sale	(6,279)	(8,509)
Proceeds from sales of securities available-for-sale	4,039	5,491
Proceeds from maturities of securities available-for-sale	346	236
Securities held-to-maturity:
Purchases of securities held-to-maturity	(88)	(1,105)
Proceeds from maturities of securities held-to-maturity	465	554
Change in loans:
Originations, net of collections	(211)	(3,652)
Loans sold to third parties	16	98
Net cash used for acquisitions of properties and equipment	(6)	(6)
Other, net	(51)	(209)
Net cash used in investing activities	(13,783)	(14,096)
Cash flows from financing activities
Net change in deposits	7,557	2,919
Debt:
Net change in short-term borrowings	4,908	2,858
Issuance of long-term debt	1,772	8,943
Repayment of long-term debt	(667)	(7,101)
Capital contribution from parent	0	4,000
Other decreases in capital surplus	(2)	4
Dividends paid	(14)	(18)
Net cash provided by financing activities	13,554	11,605
Net change in cash and due from banks	(105)	81
Cash and due from banks at beginning of period	968	891
Cash and due from banks at end of period	$ 863	$ 972