Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Schedule of Repurchase Agreements (Details)

v3.21.1
Stockholders' Equity - Schedule of Repurchase Agreements (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Shares Repurchase Activity [Line Items]      
Amount $ 516 $ 243  
Treasury stock $ 13   $ 19
Open Market Repurchases      
Shares Repurchase Activity [Line Items]      
Shares (in shares) 85 41  
Amount $ 516 $ 243