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CONSOLIDATED STATEMENT OF SHAREHOLDERS EQUITY (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Statement of Stockholders' Equity [Abstract] |  |  |  |
Pension liability and postretirement adjustment; tax | $ 1 | $ (1) | $ 1 | $ (2)
Dividends declared per share, in dollars per share | $ 0.81 | $ 0.81 | $ 2.43 | $ 2.39

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