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

[1] Includes $3.5 billion and $1.5 billion of LHFS measured at fair value at December 31, 2016 and 2015, respectively.

[2] Includes loans of consolidated VIEs of $211 million and $246 million at December 31, 2016 and December 31, 2015, respectively.

[3] Includes debt of consolidated VIEs of $222 million and $259 million at December 31, 2016 and December 31, 2015, respectively.

[4] Includes restricted shares of 11 thousand and 1,334 thousand at December 31, 2016 and December 31, 2015, respectively.