Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Millions		Dec. 31, 2015	Dec. 31, 2014
Loans Held-for-sale, Fair Value Disclosure		$ 1,494	$ 1,892
Loans Receivable, Fair Value Disclosure		257	272
Servicing Asset at Fair Value, Amount		1,307	1,206
Long-term Debt, Fair Value		$ 973	$ 1,283
Common stock, par value		$ 1.00	$ 1.00
Loans Receivable Held-for-sale, Net	[1]	$ 1,838	$ 3,232
Loans held for investment	[2]	136,442	133,112
Long-term Debt	[3]	$ 8,462	$ 13,022
Common Stock, Shares, Outstanding	[4]	508,712	524,540
Variable Interest Entity, Primary Beneficiary [Member]
Loans held for investment		$ 246	$ 288
Long-term Debt		259	302
Treasury Stock and Other
Stockholders' Equity Attributable to Noncontrolling Interest		108	108
Residential Portfolio Segment [Member]
Loans Receivable, Fair Value Disclosure		257	272
Loans held for investment		$ 38,928	$ 38,775
Restricted Stock [Member]
Common Stock, Shares, Outstanding		1,334	2,930
Trading Securities [Member]
Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value		$ 1,377	$ 1,316
Available-for-sale Securities [Member]
Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value		$ 0	$ 369

[1] Includes $1.5 billion and $1.9 billion of LHFS measured at fair value at December 31, 2015 and 2014, respectively.

[2] Includes loans of consolidated VIEs of $246 million and $288 million at December 31, 2015 and December 31, 2014, respectively.

[3] Includes debt of consolidated VIEs of $259 million and $302 million at December 31, 2015 and December 31, 2014, respectively.

[4] Includes restricted shares of 1,334 thousand and 2,930 thousand at December 31, 2015 and December 31, 2014, respectively.