Stock Compensation - Effect on Shares Outstanding and Treasury Shares (Details) - shares shares in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Change In Treasury Stock Roll Forward [Roll Forward]
Treasury stock (in shares)	834	830
Treasury Common Stock
Change In Treasury Stock Roll Forward [Roll Forward]
Treasury stock (in shares)	834	830	832	835
Repurchases (in shares)	8	5	2
Shares issued (in shares)	(4)	(7)	(5)

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

No definition available.

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- Definition

Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

+ References

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-Name Accounting Standards Codification
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- Definition

Number of previously issued common shares repurchased by the issuing entity and held in treasury.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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