Share-Based Compensation Plans (Summary of Stock Options Grant) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2023	Dec. 31, 2022
Summary of the changes in outstanding stock options
Outstanding, beginning of period (in shares)	1,935
Granted (in shares)	227
Exercised (in shares)	(132)
Forfeited (in shares)	(4)
Share Based Compensation Arrangement By Share Based Payment Award, Weighted Average Exercise Price, Other Changes To Option Activity	$ 73.16
Share Based Compensation Arrangement By Share Based Payment Award, Other Changes In Stock Option Activity, Number Of Shares	14
Outstanding, end of period (in shares)	2,040	1,935
Options exercisable, ending of period (in shares)	1,495
Vested and expected, end of period (in shares)	1,962
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding, beginning of period (in usd per share)	$ 67.55
Granted (in usd per share)	101.09
Exercised (in usd per share)	48.39
Forfeited (in usd per share)	102.22
Outstanding, end of period (in usd per share)	72.48	$ 67.55
Options exercisable, end of period (in usd per share)	65.08
Vested and expected, end of period (in usd per share)	$ 71.53
Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
Outstanding, weighted average remaining contractual term	6 years 3 months 18 days	5 years 10 months 24 days
Aggregate intrinsic value, outstanding	$ 66	$ 83
Options exercisable, end of period	5 years 3 months 18 days
Aggregate intrinsic value, exercisable	$ 59
Vested and expected to vest, end of period	5 years 10 months 24 days
Aggregate intrinsic value, vested and expected to vest	$ 65

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Period Type:	instant

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.