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Stock-Based Compensation (Schedule by Exercise Price Range) (Details) shares in Thousands	12 Months Ended
	Dec. 31, 2021 $ / shares shares
$93.62 - $491.86
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price, lower range limit (in dollars per share)	$ 93.62
Exercise price, upper range limit (in dollars per share)	$ 491.86
Outstanding options, number (in shares) | shares	3,223
Outstanding options, average exercise price (in dollars per share)	$ 287.15
Outstanding options, average remaining life (in years)	6 years 7 months 6 days
Exercisable options, number (in shares) | shares	1,480
Exercisable options, average exercise price (in dollars per share)	$ 219.68
$93.62 - $166.19
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price, lower range limit (in dollars per share)	93.62
Exercise price, upper range limit (in dollars per share)	$ 166.19
Outstanding options, number (in shares) | shares	359
Outstanding options, average exercise price (in dollars per share)	$ 141.69
Outstanding options, average remaining life (in years)	2 years 4 months 24 days
Exercisable options, number (in shares) | shares	359
Exercisable options, average exercise price (in dollars per share)	$ 141.69
$166.20 - $208.79
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price, lower range limit (in dollars per share)	166.20
Exercise price, upper range limit (in dollars per share)	$ 208.79
Outstanding options, number (in shares) | shares	353
Outstanding options, average exercise price (in dollars per share)	$ 177.69
Outstanding options, average remaining life (in years)	4 years 6 months
Exercisable options, number (in shares) | shares	353
Exercisable options, average exercise price (in dollars per share)	$ 177.69
$208.80 - $275.58
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price, lower range limit (in dollars per share)	208.80
Exercise price, upper range limit (in dollars per share)	$ 275.58
Outstanding options, number (in shares) | shares	338
Outstanding options, average exercise price (in dollars per share)	$ 236.24
Outstanding options, average remaining life (in years)	5 years 10 months 24 days
Exercisable options, number (in shares) | shares	247
Exercisable options, average exercise price (in dollars per share)	$ 223.79
$275.59 - $279.44
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price, lower range limit (in dollars per share)	275.59
Exercise price, upper range limit (in dollars per share)	$ 279.44
Outstanding options, number (in shares) | shares	447
Outstanding options, average exercise price (in dollars per share)	$ 278.40
Outstanding options, average remaining life (in years)	6 years 2 months 12 days
Exercisable options, number (in shares) | shares	264
Exercisable options, average exercise price (in dollars per share)	$ 277.77
$279.45 -$323.36
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price, lower range limit (in dollars per share)	279.45
Exercise price, upper range limit (in dollars per share)	$ 323.36
Outstanding options, number (in shares) | shares	617
Outstanding options, average exercise price (in dollars per share)	$ 319.40
Outstanding options, average remaining life (in years)	8 years 1 month 6 days
Exercisable options, number (in shares) | shares	46
Exercisable options, average exercise price (in dollars per share)	$ 287.89
$323.37 - $327.91
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price, lower range limit (in dollars per share)	323.37
Exercise price, upper range limit (in dollars per share)	$ 327.91
Outstanding options, number (in shares) | shares	397
Outstanding options, average exercise price (in dollars per share)	$ 326.32
Outstanding options, average remaining life (in years)	7 years 2 months 12 days
Exercisable options, number (in shares) | shares	176
Exercisable options, average exercise price (in dollars per share)	$ 326.32
$327.92 - $398.19
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price, lower range limit (in dollars per share)	327.92
Exercise price, upper range limit (in dollars per share)	$ 398.19
Outstanding options, number (in shares) | shares	204
Outstanding options, average exercise price (in dollars per share)	$ 366.45
Outstanding options, average remaining life (in years)	7 years 10 months 24 days
Exercisable options, number (in shares) | shares	35
Exercisable options, average exercise price (in dollars per share)	$ 351.25
$398.20 - $407.21
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price, lower range limit (in dollars per share)	398.20
Exercise price, upper range limit (in dollars per share)	$ 407.21
Outstanding options, number (in shares) | shares	403
Outstanding options, average exercise price (in dollars per share)	$ 401.27
Outstanding options, average remaining life (in years)	9 years 2 months 12 days
Exercisable options, number (in shares) | shares	0
Exercisable options, average exercise price (in dollars per share)	$ 0
$407.22 - $491.86
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price, lower range limit (in dollars per share)	407.22
Exercise price, upper range limit (in dollars per share)	$ 491.86
Outstanding options, number (in shares) | shares	105
Outstanding options, average exercise price (in dollars per share)	$ 422.59
Outstanding options, average remaining life (in years)	9 years 1 month 6 days
Exercisable options, number (in shares) | shares	0
Exercisable options, average exercise price (in dollars per share)	$ 0

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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