Consolidated Balance Sheets - USD ($) shares in Thousands, $ in Millions		Sep. 30, 2019	Dec. 31, 2018
Assets
Cash and Due from Banks		$ 7,844	$ 5,791
Federal Funds Sold and Securities Purchased under Agreements to Resell		1,314	1,679
Interest-bearing Deposits in Banks and Other Financial Institutions		26	25
Cash and cash equivalents		9,184	7,495
Debt Securities, Trading, and Equity Securities, FV-NI	[1]	7,104	5,506
Available-for-sale Securities	[2]	31,358	31,442
Loans Held for Sale	[3]	2,006	1,468
Loans and Leases Receivable, Gross	[4]	158,455	151,839
Loans and Leases Receivable, Allowance		(1,699)	(1,615)
Net loans		156,756	150,224
Property, Plant and Equipment, Net		1,985	2,024
Goodwill		6,331	6,331
Intangible Assets, Net (Excluding Goodwill)		1,648	2,062
Other Assets		10,996	8,991
Total assets		227,368	215,543
Liabilities and Shareholders' Equity
Noninterest-bearing consumer and commercial deposits		40,360	40,770
Interest-bearing Deposit Liabilities		127,311	121,819
Total deposits		167,671	162,589
Federal Funds Purchased		254	2,141
Securities Sold under Agreements to Repurchase		1,829	1,774
Other Short-term Borrowings		5,061	4,857
Long-term Debt	[5]	20,369	15,072
Trading liabilities		1,380	1,604
Other Liabilities		4,315	3,226
Total liabilities		200,879	191,263
Preferred Stock, Value, Outstanding		2,025	2,025
Common Stock, Value, Outstanding		553	553
Additional Paid in Capital		8,989	9,022
Retained earnings		20,664	19,522
Treasury Stock, Value	[6]	(5,593)	(5,422)
Accumulated Other Comprehensive Income (Loss), Net of Tax		(149)	(1,420)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		26,489	24,280
Liabilities and Equity		$ 227,368	$ 215,543
Common Stock, Shares, Outstanding	[7]	444,033	446,888
Common shares authorized		750,000	750,000
Preferred Stock, Shares Outstanding		20	20
Preferred Stock, Shares Authorized		50,000	50,000
Treasury shares of common stock		108,750	105,896
Treasury Stock and Other
Liabilities and Shareholders' Equity
Treasury Stock, Value		$ (5,693)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	[8]	(5,593)	$ (5,422)
Stockholders' Equity Attributable to Noncontrolling Interest		101	103
Variable Interest Entity, Primary Beneficiary [Member]
Assets
Loans and Leases Receivable, Gross		136	153
Liabilities and Shareholders' Equity
Long-term Debt		$ 143	$ 161
Restricted Stock [Member]
Liabilities and Shareholders' Equity
Common Stock, Shares, Outstanding		4	7
Trading Assets [Member]
Liabilities and Shareholders' Equity
Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value		$ 1,284	$ 1,442
Available-for-sale Securities [Member]
Liabilities and Shareholders' Equity
Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value		151	222
Fair Value, Recurring [Member]
Assets
Debt Securities, Trading, and Equity Securities, FV-NI		7,104	5,506
Available-for-sale Securities		$ 31,358	$ 31,442

[1] Includes trading securities pledged as collateral where counterparties have the right to sell or repledge the collateral of $1,284 million and $1,442 million at September 30, 2019 and December 31, 2018, respectively.

[2] Includes securities AFS pledged as collateral where counterparties have the right to sell or repledge the collateral of $151 million and $222 million at September 30, 2019 and December 31, 2018, respectively.

[3] Includes $1.5 billion and $1.2 billion measured at fair value at September 30, 2019 and December 31, 2018, respectively.

[4] Includes LHFI of consolidated VIEs of $136 million and $153 million at September 30, 2019 and December 31, 2018, respectively.

[5] Includes debt of consolidated VIEs of $143 million and $161 million at September 30, 2019 and December 31, 2018, respectively.

[6] Includes noncontrolling interest of $101 million and $103 million at September 30, 2019 and December 31, 2018, respectively.

[7] Includes restricted shares of 4 thousand and 7 thousand at September 30, 2019 and December 31, 2018, respectively.

[8] At September 30, 2019, includes ($5,693) million for treasury stock, less than ($1) million for the compensation element of restricted stock, and $101 million for noncontrolling interest.