Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Schedule of Repurchase Agreements (Details)

v3.20.1
Stockholders' Equity - Schedule of Repurchase Agreements (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Shares Repurchase Activity [Line Items]    
Amount $ 243 $ 604
Open Market Repurchases    
Shares Repurchase Activity [Line Items]    
Shares (in shares) 41 101
Amount $ 243 $ 604