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Share-Based Compensation Plans (Narrative) (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost related to unvested RSUs and PRSUs	$ 29
Incentive Compensation Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Incentive Compensation Plan, termination period, in years	10 years
Common stock that will be made available for sale, in shares	1.6
Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Employee stock purchase plan percentage of purchase price on closing price	85.00%	85.00%
Shares issued Employee Stock Purchase Plan	0.6	0.5	0.5
Common stock that will be made available for sale, in shares	5.0
Share-based compensation arrangement, term of plan	Jul. 01, 2023
Shares reserved for future issuances	9.0
RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total fair value of shares distributed	$ 57	$ 49	$ 56
Shares vested but not distributed	1.2
RSUs and PRSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost related to unvested RSUs and PRSUs that is expected to be recognized over a weighted-average period, Years	2 years
Weighted average grant-date fair value	$ 67.65	$ 56.65	$ 63.14
Amended Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock that will be made available for sale, in shares	14.0
Share-based compensation arrangement, term of plan	Jul. 01, 2032

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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