Stockholders' Equity and Stock-Based Compensation (Option Activity Under the Company's Stock Plans) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Options, Outstanding [Roll Forward]
Outstanding at beginning of year (in shares)	15.6	15.9	17.0
Granted, options (in shares)	2.3	2.8	2.9
Exercised, options (in shares)	(1.6)	(2.4)	(3.5)
Cancelled/forfeited, options (in shares)	(0.6)	(0.7)	(0.5)
Outstanding at end of year (in shares)	15.7	15.6	15.9
Vested and expected to vest at end of year (in shares)	15.3
Vested at end of year (in shares)	8.2
Weighted Average Exercise Price, Outstanding [Roll Forward]
Outstanding as of beginning of year (in usd per share)	$ 127.13	$ 100.65	$ 82.95
Granted (in usd per share)	269.10	240.75	160.71
Exercised (in usd per share)	89.62	79.16	62.54
Cancelled/forfeited (in usd per share)	198.85	144.60	113.94
Outstanding as of end of year (in usd per share)	149.01	$ 127.13	$ 100.65
Vested and expected to vest at end of year, weighted average exercise price (in usd per share)	147.34
Vested at end of year, weighted average exercise price (in usd per share)	$ 102.64
Outstanding at end of year, weighted average remaining contractual term (in years)	6 years
Vested and expected to vest at end of year, weighted average remaining contractual term (in years)	6 years
Vested at end of year, weighted average remaining contractual term (in years)	5 years
Outstanding at end of year, aggregate intrinsic value	$ 1,847
Vested and expected to vest at end of year, aggregate intrinsic value	1,833
Vested at end of year, aggregate intrinsic value	$ 1,341