Share-Based Compensation - Stock Option Activity (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balance at beginning of year (shares) | shares	4,429,489
Granted (shares) | shares	1,012,211
Exercised (shares) | shares	(673,095)
Canceled (shares) | shares	(236,353)
Balance at end of year (shares) | shares	4,532,252
Options exercisable at end of year (shares) | shares	2,685,192
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Balance at beginning of year (USD per share) | $ / shares	$ 58.82
Granted (USD per share) | $ / shares	177.84
Exercised (USD per share) | $ / shares	41.54
Canceled (USD per share) | $ / shares	108.53
Balance at end of year (USD per share) | $ / shares	85.38
Options exercisable at end of year (USD per share) | $ / shares	$ 50.44
Options outstanding, Weighted-Average Remaining Contractual Term (years)	6 years 10 months 24 days
Options exercisable, Weighted-Average Remaining Contractual Term (years)	5 years 8 months 12 days
Options outstanding, Aggregate Intrinsic Value | $	$ 311.7
Options exercisable, Aggregate Intrinsic Value | $	$ 261.2