Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013
Cash Flows from Operating Activities:
Net income including noncontrolling interests	$ 656		$ 474
Provision for Loan and Lease Losses	(25)		(22)
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
(Reversal of) provision for losses on unfunded credit commitments	32		14
Depreciation, amortization and accretion, net	237		381
Stock-based compensation—restricted stock units	24		15
Deferred income taxes	88		38
Net gains on sales of securities	(16)		(170)
Net decrease (increase) in trading account assets	(31)		432
Net decrease (increase) in other assets	309		(63)
Net increase (decrease) in trading account liabilities	56		(281)
Net increase (decrease) in other liabilities	(203)		50
Loans originated for sale	(309)		(183)
Net proceeds from sale of loans originated for sale	327		155
Pension and other benefits adjustment	80		285
Other, net	(19)		33
Total adjustments	390		114
Net cash provided by (used in) operating activities	1,046		588
Cash Flows from Investing Activities:
Proceeds from sales of securities available for sale	1,200		8,109
Proceeds from paydowns and maturities of securities available for sale	1,789		2,925
Purchases of securities available for sale and held to maturity	(3,627)		(11,666)
Proceeds from paydowns and maturities of securities held to maturity	773		344
Purchases of premises and equipment	(62)		(84)
Proceeds from sales of loans	330		365
Net decrease (increase) in loans	(6,690)		(4,132)
Proceeds from (payments to) FDIC under loss share agreements	(12)		6
Net cash paid for acquisitions	0		(3,688)
Other, net	(421)		47
Net cash provided by (used in) investing activities	(6,720)		(7,774)
Cash Flows from Financing Activities:
Net increase (decrease) in deposits	2,255		5,111
Net increase (decrease) in commercial paper and other short-term borrowings	1,313		1,715
Proceeds from issuance of subordinated debt due to BTMU	0		750
Proceeds from issuance of long-term debt	749		1,999
Repayment of long-term debt	(305)		(550)
Other, net	(22)		(26)
Change in noncontrolling interests	0		8
Net cash provided by (used in) financing activities	3,990		9,007
Net change in cash and cash equivalents	(1,684)		1,821
Cash and cash equivalents at beginning of period	6,203		5,491
Cash and cash equivalents at end of period	4,519		7,312
Cash Paid During the Period For:
Interest	294		266
Income taxes, net	19		25
Supplemental Schedule of Noncash Investing and Financing Activities:
Net transfer of loans held for investment to loans held for sale	386		381
Transfer of loans held for investment to other real estate owned assets	11		30
Carrying amount of assets acquired	70	[1]	0	[1]
Carrying amount of liabilities acquired	$ 30	[1]	$ 0	[1]

[1] For additional information on the transfer of assets and liabilities from BTMU, refer to Note 13 to these consolidated financial statements.