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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Preferred stock - par value (in dollars per share) $ 0.00001 $ 0.00001
Preferred stock - shares authorized (in shares) 10,000,000.0 10,000,000.0
Preferred stock - issued (in shares) 0 0
Preferred stock - outstanding (in shares) 0 0
Common stock - par value (in dollars per share) $ 0.00001 $ 0.00001
Common stock - shares authorized (in shares) 1,000,000,000.0 1,000,000,000.0
Common stock - issued (in shares) 324,000,000.0 327,700,000
Common stock - outstanding (in shares) 324,000,000.0 327,700,000