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Stock-Based Compensation Plans (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2019
2023 Incentive Plan
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Shares authorized				25.0
Shares available for grant	22.7
Employee Stock
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Shares authorized				50.0
Shares available for grant	10.6
Restricted Stock Units
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 172	$ 176	$ 207
Weighted Average Grant Date Fair Value, Granted	$ 77.66	$ 65.95	$ 78.20
Unrecognized stock-based compensation expense	$ 146
Weighted average remaining requisite service period	1 year 6 months
Performance Stock Units
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 15	$ 22	$ 8
Weighted Average Grant Date Fair Value, Granted	$ 83.63	$ 67.82	$ 90.92
Unrecognized stock-based compensation expense	$ 21
Weighted average remaining requisite service period	1 year 6 months
Maximum | Restricted Stock Units
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Vesting period	4 years
Maximum | Performance Stock Units
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Vesting period	4 years

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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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