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 before noncontrolling interests	$ 11,670	$ 11,861
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	908	542
Changes in fair value of MSRs, MHFS and LHFS carried at fair value	(90)	1,040
Depreciation, amortization and accretion	1,558	1,303
Other net gains	(3,125)	(118)
Stock-based compensation	1,178	1,144
Excess tax benefits related to stock incentive compensation	(409)	(330)
Originations of MHFS	(94,133)	(68,250)
Proceeds from sales of and principal collected on mortgages originated for sale	67,608	54,849
Proceeds from sales of and principal collected on LHFS	6	192
Purchases of LHFS	(27)	(102)
Net change in:
Trading assets	19,792	2,679
Deferred income taxes	(364)	(470)
Accrued interest receivable	(382)	3
Accrued interest payable	186	326
Other assets	2,284	(6,170)
Other accrued expenses and liabilities	(5,796)	1,103
Net cash provided (used) by operating activities	864	(398)
Net change in:
Federal funds sold, securities purchased under resale agreements and other short-term investments	26,044	(23,667)
Available-for-sale securities:
Sales proceeds	10,143	1,670
Prepayments and maturities	15,847	16,573
Purchases	(34,968)	(10,954)
Held-to-maturity securities:
Paydowns and maturities	2,821	3,422
Purchases	(22,734)	(20,637)
Nonmarketable equity investments:
Sales proceeds	1,894	1,897
Purchases	(792)	(1,565)
Loans:
Loans originated by banking subsidiaries, net of principal collected	(22,290)	(29,987)
Proceeds from sales (including participations) of loans held for investment	5,248	9,209
Purchases (including participations) of loans	(10,873)	(2,783)
Principal collected on nonbank entities’ loans	5,220	6,455
Loans originated by nonbank entities	(6,452)	(6,054)
Payments to Acquire Businesses, Net of Cash Acquired	0	(174)
Proceeds from sales of foreclosed assets and short sales	3,962	4,299
Net cash from purchases and sales of MSRs	(45)	(72)
Other, net	(1,151)	(377)
Net cash used by investing activities	(28,126)	(52,745)
Net change in:
Deposits	17,756	39,400
Short-term borrowings	19,445	7,966
Long-term debt:
Proceeds from issuance	13,835	18,493
Repayment	(18,104)	(6,733)
Preferred stock:
Proceeds from issuance	1,997	1,995
Cash dividends paid	(699)	(570)
Common stock:
Proceeds from issuance	1,012	1,052
Repurchased	(4,586)	(3,979)
Cash dividends paid	(3,647)	(3,347)
Excess tax benefits related to stock incentive compensation	409	330
Net change in noncontrolling interests	(84)	(850)
Other, net	44	102
Net cash provided by financing activities	27,378	53,859
Net change in cash and due from banks	116	716
Cash and due from banks at beginning of period	19,571	19,919
Cash and due from banks at end of period	19,687	20,635
Supplemental cash flow disclosures:
Cash paid for interest	1,747	1,673
Cash paid for income taxes	$ 7,105	$ 4,091