Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Millions		Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Loans Held-for-sale, Fair Value Disclosure		$ 2,176	$ 1,494
Loans Receivable, Fair Value Disclosure		246	$ 257
Servicing Asset at Fair Value, Amount		1,061
Long-term Debt, Fair Value		$ 970
Common stock, par value		$ 1.00	$ 1.00
Loans Receivable Held-for-sale, Net	[1]	$ 2,468	$ 1,838
Loans held for investment	[2]	141,656	136,442
Long-term Debt	[3]	$ 12,264	$ 8,462
Common Stock, Shares, Outstanding	[4]	501,412	508,712
Variable Interest Entity, Primary Beneficiary [Member]
Loans held for investment		$ 227	$ 246
Long-term Debt		240	259
Treasury Stock and Other
Stockholders' Equity Attributable to Noncontrolling Interest		103	108	$ 108
Residential Portfolio Segment [Member]
Loans Receivable, Fair Value Disclosure		246	257
Loans held for investment		$ 39,449	$ 38,928
Restricted Stock [Member]
Common Stock, Shares, Outstanding		49	1,334
Trading Securities [Member]
Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value		$ 1,282	$ 1,377

[1] Includes $2.2 billion and $1.5 billion of LHFS measured at fair value at June 30, 2016 and December 31, 2015, respectively.

[2] Includes loans of consolidated VIEs of $227 million and $246 million at June 30, 2016 and December 31, 2015, respectively.

[3] Includes debt of consolidated VIEs of $240 million and $259 million at June 30, 2016 and December 31, 2015, respectively.

[4] Includes restricted shares of 49 thousand and 1,334 thousand at June 30, 2016 and December 31, 2015, respectively.