Stock-Based Compensation (Summary of Stock Awards Outstanding) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
RSU awards
Schedule Of Shares Awarded [Abstract]
Shares granted (in thousands)	564	598	670
Fair value (in millions)	$ 66	$ 59	$ 65
Shares
Outstanding at beginning of period (in shares)	1,059
Granted (in shares)	564	598	670
Vested (in shares)	(602)
Forfeited (in shares)	(59)
Outstanding at end of period (in shares)	962	1,059
Stock awards expected to vest (in shares)	897
Weighted Average Grant Date Fair Value
Weighted average fair value at beginning of period (usd per share)	$ 98
Granted (usd per share)	117
Vested (usd per share)	99
Forfeited (usd per share)	109
Weighted average fair value at end of period (usd per share)	108	$ 98
Weighted average fair value of awards expected to vest (usd per share)	$ 108
Performance awards
Schedule Of Shares Awarded [Abstract]
Shares granted (in thousands)	338	440	422
Fair value (in millions)	$ 41	$ 42	$ 42
Shares
Outstanding at beginning of period (in shares)	1,187
Granted (in shares)	338	440	422
Vested (in shares)	(382)
Forfeited (in shares)	(36)
Outstanding at end of period (in shares)	1,107	1,187
Stock awards expected to vest (in shares)	1,079
Weighted Average Grant Date Fair Value
Weighted average fair value at beginning of period (usd per share)	$ 98
Granted (usd per share)	122
Vested (usd per share)	99
Forfeited (usd per share)	116
Weighted average fair value at end of period (usd per share)	104	$ 98
Weighted average fair value of awards expected to vest (usd per share)	$ 104

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The number of equity-based payment instruments, excluding stock (or unit) options, that are expected to vest.

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No definition available.

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- Definition

The weighted average fair value of expected to vest awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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No definition available.

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- Definition

Share Based Compensation Grants In Period Fair Value

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No definition available.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made 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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- Definition

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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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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