Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.8.0.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Non-recourse notes, secured by assets $ 1,545 $ 864
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 50,000,000 50,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 450,000,000 450,000,000
Common stock, shares issued 51,665,449 46,493,155
Common stock, shares outstanding 51,665,449 46,493,155