Common Stock - Options Outstanding (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares subject to options outstanding (in shares)	16,021	19,115
Shares subject to options outstanding, weighted-average exercise price (in dollars per share)	$ 2.84	$ 2.60
Options outstanding, weighted-average remaining contractual term (in years)	3 years 5 months 23 days	4 years 7 months 2 days
Options outstanding, aggregate instrinsic value	$ 737.0	$ 2,797.0
Shares assumed via acquisition (in shares)	1,710
Assumed (in dollars per share)	$ 4.11
Options granted (in shares)	0
Options granted (in dollars per share)	$ 0
Issuance of common stock upon exercise of stock options (shares)	(4,780)
Options exercised (in dollars per share)	$ 2.30
Options exercised, aggregate intrinsic value	$ 451.0	$ 2,300.0	$ 129.0
Options forfeited (in shares)	(24)
Options forfeited (in dollars per share)	$ 4.09
Exercisable (in shares)	15,676
Exercisable (in dollars per share)	$ 2.80
Exercisable, weighted-average remaining contractual term (in years)	3 years 5 months 19 days
Exercisable, aggregate intrinsic value	$ 721.0
Vested and expected to vest (in shares)	16,021
Vested and expected to vest (in dollars per share)	$ 2.84
Vested and expected to vest, weighted-average remaining contractual term (in years)	3 years 5 months 23 days
Vested and expected to vest, aggregate intrinsic value	$ 737.0
Weighted average fair value of stock assumed via acquisition (in dollars per shares)	$ 72.99
Options granted, weighted-average grant date fair value (in dollars per share)	0	$ 0	$ 0
Unvested restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Assumed (in dollars per share)	$ 76.91