Common Stock, Preferred Stock and Equity Plans - Stock Options Outstanding and Exercisable (Details) shares in Thousands	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Stock options outstanding and exercisable
Options outstanding (in shares) | shares	3,611
Options outstanding, weighted-average remaining contractual life	5 years 5 months 1 day
Options outstanding, weighted-average exercise price ( in usd per share)	$ 141.76
Options exercisable (in shares) | shares	3,149
Options exercisable, weighted-average exercise price ( in usd per share)	$ 136.13
$36.28–$100.00
Stock options outstanding and exercisable
Exercise price, low end of range ( in usd per share)	36.28
Exercise price, high end of range ( in usd per share)	$ 100.00
Options outstanding (in shares) | shares	1,085
Options outstanding, weighted-average remaining contractual life	3 years 8 months 12 days
Options outstanding, weighted-average exercise price ( in usd per share)	$ 82.14
Options exercisable (in shares) | shares	1,085
Options exercisable, weighted-average exercise price ( in usd per share)	$ 82.14
$100.01–$150.00
Stock options outstanding and exercisable
Exercise price, low end of range ( in usd per share)	100.01
Exercise price, high end of range ( in usd per share)	$ 150.00
Options outstanding (in shares) | shares	362
Options outstanding, weighted-average remaining contractual life	3 years 6 months 21 days
Options outstanding, weighted-average exercise price ( in usd per share)	$ 123.15
Options exercisable (in shares) | shares	362
Options exercisable, weighted-average exercise price ( in usd per share)	$ 123.15
$150.01–$200.00
Stock options outstanding and exercisable
Exercise price, low end of range ( in usd per share)	150.01
Exercise price, high end of range ( in usd per share)	$ 200.00
Options outstanding (in shares) | shares	2,114
Options outstanding, weighted-average remaining contractual life	6 years 6 months 10 days
Options outstanding, weighted-average exercise price ( in usd per share)	$ 173.03
Options exercisable (in shares) | shares	1,652
Options exercisable, weighted-average exercise price ( in usd per share)	$ 171.04
$200.01–$286.27
Stock options outstanding and exercisable
Exercise price, low end of range ( in usd per share)	200.01
Exercise price, high end of range ( in usd per share)	$ 286.27
Options outstanding (in shares) | shares	50
Options outstanding, weighted-average remaining contractual life	8 years 11 months 1 day
Options outstanding, weighted-average exercise price ( in usd per share)	$ 248.51
Options exercisable (in shares) | shares	50
Options exercisable, weighted-average exercise price ( in usd per share)	$ 248.51