Consolidated Balance Sheets - USD ($) shares in Thousands, $ in Millions		Dec. 31, 2018	Dec. 31, 2017
Assets
Cash and Due from Banks		$ 5,791	$ 5,349
Federal Funds Sold and Securities Purchased under Agreements to Resell		1,679	1,538
Interest-bearing Deposits in Banks and Other Financial Institutions		25	25
Cash and cash equivalents		7,495	6,912
Debt Securities, Trading, and Equity Securities, FV-NI	[1]	5,506	5,093
Available-for-sale Securities	[2],[3]	31,442	30,947	[4]
Loans Held for Sale	[5]	1,468	2,290
Loans held for investment	[6]	151,839	143,181
Loans and Leases Receivable, Allowance		(1,615)	(1,735)
Net loans		150,224	141,446
Property, Plant and Equipment, Net	[7]	2,024	2,053
Goodwill		6,331	6,331
Intangible Assets, Net (Excluding Goodwill)	[8]	2,062	1,791
Other Assets	[2],[7]	8,991	9,099
Total assets		215,543	205,962
Liabilities and Shareholders' Equity
Noninterest-bearing consumer and commercial deposits		40,770	42,784
Interest-bearing Deposit Liabilities		121,819	117,996
Total deposits		162,589	160,780
Federal Funds Purchased		2,141	2,561
Securities Sold under Agreements to Repurchase		1,774	1,503
Other Short-term Borrowings		4,857	717
Long-term Debt	[9],[10]	15,072	9,785
Trading liabilities		1,604	1,283
Other Liabilities		3,226	4,179
Total liabilities		191,263	180,808
Preferred Stock, Value, Outstanding		2,025	2,475
Common Stock, Value, Outstanding		553	550
Additional Paid in Capital		9,022	9,000
Retained earnings		19,522	17,540
Treasury Stock, Value	[11]	(5,422)	(3,591)
Accumulated Other Comprehensive Income (Loss), Net of Tax		(1,420)	(820)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		24,280	25,154
Liabilities and Equity		$ 215,543	$ 205,962
Common Stock, Shares, Outstanding	[12]	446,888	470,931
Common shares authorized		750,000	750,000
Preferred Stock, Shares Outstanding		20	25
Preferred Stock, Shares Authorized		50,000	50,000
Treasury shares of common stock		105,896	79,133
Treasury Stock and Other
Liabilities and Shareholders' Equity
Treasury Stock, Value		$ (5,525)	$ (3,694)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	[13]	(5,422)	(3,591)
Stockholders' Equity Attributable to Noncontrolling Interest		103	103
Variable Interest Entity, Primary Beneficiary [Member]
Assets
Loans held for investment		153	179
Liabilities and Shareholders' Equity
Long-term Debt		$ 161	$ 189
Restricted Stock [Member]
Liabilities and Shareholders' Equity
Common Stock, Shares, Outstanding		7	9
Trading Assets [Member]
Liabilities and Shareholders' Equity
Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value		$ 1,442	$ 1,086
Available-for-sale Securities [Member]
Liabilities and Shareholders' Equity
Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value		$ 222	$ 223

[1] Includes trading securities pledged as collateral where counterparties have the right to sell or repledge the collateral of $1,442 million and $1,086 million at December?31, 2018 and December?31, 2017, respectively.

[2] Beginning January 1, 2018, the Company reclassified equity securities previously presented in Securities available for sale to Other assets. Reclassifications have been made to previously reported amounts for comparability.

[3] Includes securities AFS pledged as collateral where counterparties have the right to sell or repledge the collateral of $222 million and $223 million at December?31, 2018 and December?31, 2017, respectively.

[4] Beginning January 1, 2018, the Company reclassified equity securities previously presented in Securities AFS to Other assets on the Consolidated Balance Sheets. Prior periods have been revised to conform to the current presentation for comparability. See Note 11, "Other Assets," for additional information.

[5] Includes $1.2 billion and $1.6 billion of LHFS measured at fair value at December 31, 2018 and 2017, respectively.

[6] Includes loans of consolidated VIEs of $153 million and $179 million at December?31, 2018 and December?31, 2017, respectively.

[7] Beginning October 1, 2018, the Company reclassified software and related accumulated amortization previously presented in Other assets to Premises, property, and equipment, net. Reclassifications have been made to previously reported amounts for comparability.

[8] Excludes other intangible assets that are indefinite-lived, carried at fair value, or fully amortized.

[9] Includes $289 million and $530 million of long-term debt measured at fair value at December 31, 2018 and 2017, respectively.

[10] Includes debt of consolidated VIEs of $161 million and $189 million at December?31, 2018 and December?31, 2017, respectively.

[11] Includes noncontrolling interest of $103 million and $103 million at December?31, 2018 and December?31, 2017, respectively.

[12] Includes restricted shares of 7 thousand and 9 thousand at December?31, 2018 and December?31, 2017, respectively.

[13] At December 31, 2018, includes ($5,525) million for treasury stock and $103 million for noncontrolling interest. At December 31, 2017, includes ($3,694) million for treasury stock and $103 million for noncontrolling interest. At December 31, 2016, includes ($2,448) million for treasury stock, ($1) million for the compensation element of restricted stock, and $103 million for noncontrolling interest.