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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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