Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Millions		Dec. 31, 2018	Dec. 31, 2017
Loans Held-for-sale, Fair Value Disclosure		$ 1,200	$ 1,600
Loans Receivable, Fair Value Disclosure		163	196
Long-term Debt, Fair Value		$ 289	$ 530
Common stock, par value		$ 1.00	$ 1.00
Loans and Leases Receivable, Gross	[1]	$ 151,839	$ 143,181
Long-term Debt	[2],[3]	$ 15,072	$ 9,785
Common Stock, Shares, Outstanding	[4]	446,888	470,931
Variable Interest Entity, Primary Beneficiary [Member]
Loans and Leases Receivable, Gross		$ 153	$ 179
Long-term Debt		161	189
Treasury Stock and Other
Stockholders' Equity Attributable to Noncontrolling Interest		103	103
Consumer Portfolio Segment [Member]
Loans Receivable, Fair Value Disclosure		163	196
Loans and Leases Receivable, Gross		70,899	67,704
Residential Portfolio Segment [Member]
Loans and Leases Receivable, Gross		$ 38,900	$ 38,600
Restricted Stock [Member]
Common Stock, Shares, Outstanding		7	9
Available-for-sale Securities [Member]
Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value		$ 222	$ 223
Fair Value, Measurements, Recurring [Member]
Loans Held-for-sale, Fair Value Disclosure		1,178	1,577
Loans Receivable, Fair Value Disclosure		163	196
Servicing Asset at Fair Value, Amount		1,983	1,710
Other Assets, Fair Value Disclosure	[5]	95	56	[6]
Long-term Debt, Fair Value		289	530
Brokered Time Deposits [Member] | Fair Value, Measurements, Recurring [Member]
Deposits, Fair Value Disclosure		403	236
Mortgage Servicing Rights, Fair Value [Member]
Servicing Asset at Fair Value, Amount		$ 1,983	$ 1,710

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

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

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

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

[5] 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.

[6] 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.