Subsequent Events (Details) - USD ($) shares in Thousands	1 Months Ended	3 Months Ended	6 Months Ended
	Aug. 03, 2021	Jun. 30, 2021	Jun. 30, 2021	Aug. 04, 2021
Subsequent Event [Line Items]
Stock repurchased (in shares)		8,000	100
Share repurchased during period			$ 10,000,000
Stock repurchase program, authorized amount (up to)		$ 2,100,000,000	$ 2,100,000,000
Subsequent Event
Subsequent Event [Line Items]
Stock repurchased (in shares)	4,100
Share repurchased during period	$ 318,000,000
Stock repurchase program, authorized amount (up to)				$ 1,000,000,000
Five Point Two Five Zero Percent Senior Notes Due March 2025 | Senior Notes | Subsequent Event
Subsequent Event [Line Items]
Debt instrument stated interest percentage				5.25%
Amount issued				$ 235,000,000