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Stock-Based Compensation - Schedule of Options Granted Under LTIP and TSOP (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares)	42,770
Granted (in dollars per share)	$ 241.79
LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares)	42,770	43,770	47,360
Granted (in dollars per share)	$ 62.49	$ 52.05	$ 45.74
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares)	183,093	178,190	219,710
Granted (in dollars per share)	$ 240.09	$ 210.11	$ 164.47
Performance Share Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares)	50,100	78,830	102,250
Granted (in dollars per share)	$ 240.72	$ 212.66	$ 160.97

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- Definition

Net number of share options (or share units) granted during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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