Shareholders' Equity (Deficit) - Schedule of Stock Repurchases (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended		138 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023
Equity [Abstract]
Shares repurchased (in shares)	2.6	4.2	6.1	8.7	166.7
Average price per share (in dollars per share)	$ 330.98	$ 284.39	$ 321.40	$ 289.14
Repurchase costs recorded to accumulated deficit	$ 850	$ 1,200	$ 1,950	$ 2,528	$ 23,400