Stockholders Equity (Details) - USD ($) shares in Millions, $ in Millions	2 Months Ended	3 Months Ended	12 Months Ended
	Feb. 16, 2022	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Nov. 03, 2021	Nov. 02, 2021
Class of Stock [Line Items]
Shares repurchased (shares)			0
Shares repurchased, value			$ 734	$ 91	$ 362
Stock repurchased for tax obligations for restricted stock awards			10
Share Repurchase Program
Class of Stock [Line Items]
Shares repurchased (shares)		46		9
Shares repurchased, value		$ 724		$ 85
Share repurchase program authorization						$ 2,500	$ 1,100
Remaining share repurchase program authorized amount		$ 1,900	$ 1,900
Share Repurchase Program | Subsequent Event
Class of Stock [Line Items]
Shares repurchased (shares)	258