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Share-Based Compensation Plans (Summary of Stock Options Grant) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended	6 Months Ended
	Mar. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Summary of the changes in outstanding stock options
Outstanding, beginning of period (in shares)	1,827	1,827
Granted (in shares)		306
Exercised (in shares)		(58)
Forfeited (in shares)		(20)
Outstanding, end of period (in shares)		2,055
Options exercisable, ending of period (in shares)		1,432
Vested and expected, end of period (in shares)		1,980
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)	$ 64.12	$ 64.12
Granted (in usd per share)		86.76
Exercised (in usd per share)		48.07
Forfeited (in usd per share)		90.49
Outstanding, end of period (in usd per share)		67.69
Options exercisable, end of period (in usd per share)		59.14
Vested and expected, end of period (in usd per share)		$ 66.91
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 1 month 6 days	6 years 2 months 12 days
Aggregate intrinsic value, outstanding		$ 32	$ 102
Options exercisable, end of period		5 years 1 month 6 days
Aggregate intrinsic value, exercisable		$ 30
Vested and expected to vest, end of period		6 years 1 month 6 days
Aggregate intrinsic value, vested and expected to vest		$ 31

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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