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Consolidated Statements Of Changes In Shareholders' Equity (unaudited) (Parenthetical) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Statement of Stockholders' Equity [Abstract]
Cash dividends declared (in dollars per share)		$ 0.71	$ 0.71
Cumulative effect of change in accounting principle	[1]		$ (4)
Treasury Stock, Value, Acquired, Cost Method		$ (50)
Dividends, Common Stock, Cash		93	94
Net issuance of common stock under employee stock plans		$ (7)	$ (8)
[1] Effective January 1, 2024, the Corporation adopted ASU 2023-02, which expanded the permitted use of the proportional amortization method to certain tax credit investments.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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

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