Consolidated Balance Sheets - USD ($) shares in Thousands, $ in Millions		Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and Due from Banks		$ 5,349	$ 5,091
Federal Funds Sold and Securities Purchased under Agreements to Resell		1,538	1,307
Interest-bearing Deposits in Banks and Other Financial Institutions		25	25
Cash and cash equivalents		6,912	6,423
Trading Securities	[1]	5,093	6,067
Available-for-sale Securities	[2]	31,416	30,672
Loans Held for Sale	[3]	2,290	4,169
Loans held for investment	[4]	143,181	143,298
Loans and Leases Receivable, Allowance		(1,735)	(1,709)
Net loans		141,446	141,589
Property, Plant and Equipment, Net		1,734	1,556
Goodwill		6,331	6,337
Intangible Assets, Net (Excluding Goodwill)	[5]	1,791	1,657
Other Assets		8,949	6,405
Total assets		205,962	204,875
Liabilities and Shareholders' Equity
Noninterest-bearing consumer and commercial deposits		42,784	43,431
Interest-bearing Deposit Liabilities		117,996	116,967
Total deposits		160,780	160,398
Federal Funds Purchased		2,561	2,116
Securities Sold under Agreements to Repurchase		1,503	1,633
Other Short-term Borrowings		717	1,015
Long-term Debt	[6],[7]	9,785	11,748
Trading liabilities		1,283	1,351
Other Liabilities		4,179	2,996
Total liabilities		180,808	181,257
Preferred Stock, Value, Outstanding		2,475	1,225
Common Stock, Value, Outstanding		550	550
Additional Paid in Capital		9,000	9,010
Retained earnings		17,540	16,000
Treasury Stock, Value	[8]	(3,591)	(2,346)
Accumulated Other Comprehensive Income (Loss), Net of Tax		(820)	(821)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		25,154	23,618
Liabilities and Equity		$ 205,962	$ 204,875
Common Stock, Shares, Outstanding	[9]	470,931	491,188
Common shares authorized		750,000	750,000
Preferred Stock, Shares Outstanding		25	12
Preferred Stock, Shares Authorized		50,000	50,000
Treasury shares of common stock		79,133	58,738
Treasury Stock and Other
Liabilities and Shareholders' Equity
Treasury Stock, Value		$ (3,694)	$ (2,448)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	[8]	(3,591)	(2,346)
Stockholders' Equity Attributable to Noncontrolling Interest		103	103
Variable Interest Entity, Primary Beneficiary [Member]
Assets
Loans held for investment		179	211
Liabilities and Shareholders' Equity
Long-term Debt		$ 189	$ 222
Restricted Stock [Member]
Liabilities and Shareholders' Equity
Common Stock, Shares, Outstanding		9	11
Trading Securities [Member]
Liabilities and Shareholders' Equity
Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value		$ 1,086	$ 1,437
Available-for-sale Securities [Member]
Liabilities and Shareholders' Equity
Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value		$ 223	$ 0

[1] Includes trading securities pledged as collateral where counterparties have the right to sell or repledge the collateral of $1,086 million and $1,437 million at December 31, 2017 and December 31, 2016, respectively.

[2] Includes securities AFS pledged as collateral where counterparties have the right to sell or repledge the collateral of $223 million and $0 million at December 31, 2017 and December 31, 2016, respectively.

[3] Includes $1.6 billion and $3.5 billion of LHFS measured at fair value at December 31, 2017 and 2016, respectively.

[4] Includes loans of consolidated VIEs of $179 million and $211 million at December 31, 2017 and December 31, 2016, respectively.

[5] Excludes fully amortized other intangible assets.

[6] Includes $530 million and $963 million of long-term debt measured at fair value at December 31, 2017 and 2016, respectively.

[7] Includes debt of consolidated VIEs of $189 million and $222 million at December 31, 2017 and December 31, 2016, respectively.

[8] 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.At December 31, 2015, includes ($1,764) million for treasury stock,($2) million for the compensation element of restricted stock, and $108 million for noncontrolling interest.

[9] Includes restricted shares of 9 thousand and 11 thousand at December 31, 2017 and December 31, 2016, respectively.