v3.7.0.1
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
shares in Millions
Mar. 31, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 290 290
Common stock, shares issued 233 232
Treasury Stock, Shares 9 8