Equity - Schedule of Share Repurchases (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accelerated Share Repurchases [Line Items]
Payments for Repurchase of Common Stock	$ 0	$ 1,164	$ 1,240
Open market purchases
Accelerated Share Repurchases [Line Items]
Total number of shares purchased (shares)		0.5	1.2
Average price paid per share (USD per share)		$ 295.40	$ 208.83
Payments for Repurchase of Common Stock		$ 161	$ 240