Consolidated Statements of Financial Condition (Parenthetical) - USD ($)
$ in Millions
Jun. 30, 2016
Dec. 31, 2015
Dec. 31, 2014
Assets      
Loans held-for-sale, fair value $ 3,071 $ 2,541 $ 1,196
Loans held-for-investment, fair value 88 111 211
Liabilities and Stockholders' Equity      
Long-term debt, fair value   0 84
Other liabilities, fair value $ 84 $ 84 $ 82
Stockholders' Equity      
Preferred stock, par value (in usd per share) $ 0.01 $ 0.01 $ 0.01
Preferred stock, liquidation value per share (in usd per share) $ 1,000 $ 1,000 $ 1,000
Preferred stock, shares authorized (in shares) 25,000,000 25,000,000 25,000,000
Preferred stock, shares issued (in shares) 266,657 266,657 266,657
Preferred stock, shares outstanding (in shares) 266,657 266,657 266,657
Common stock, par value (in usd per share) $ 0.01 $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 70,000,000 70,000,000 70,000,000
Common stock, shares issued (in shares) 56,575,779 56,483,258 56,332,307
Common stock, shares outstanding (in shares) 56,575,779 56,483,258 56,332,307