Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Schedule of Repurchase Agreements (Details)

v3.20.2
Stockholders' Equity - Schedule of Repurchase Agreements (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Shares Repurchase Activity [Line Items]          
Amount $ 486 $ 464 $ 894 $ 1,966  
Treasury stock $ (24)   $ (24)   $ 0
Open Market Repurchases          
Shares Repurchase Activity [Line Items]          
Shares (in shares)     156 335  
Amount     $ 894 $ 1,966