v3.20.2
Earnings Per Share (Narrative) (Details) - USD ($)
shares in Thousands, $ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2020
Jun. 30, 2020
Jun. 30, 2019
Earnings Per Share [Line Items]      
Repurchase of common stock   $ 5,480 $ 240
Stock Repurchase Program [Member]      
Earnings Per Share [Line Items]      
Repurchase of common stock $ 4,000    
Repurchase of common stock (in shares) 104,800