Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical)

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Common stock, par value (in usd per share) $ 0.001 $ 0.001    
Other comprehensive income (loss), tax $ 59 $ (15) $ 15  
Common Stock        
Common stock, par value (in usd per share) $ 0.001 $ 0.001 $ 0.001 $ 0.001
Treasury Stock        
Common stock, par value (in usd per share) $ 0.001 $ 0.001 $ 0.001 $ 0.001