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Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parenthetical) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Statement of Stockholders' Equity [Abstract]                
Dividends declared per share (in dollars per share) $ 0.665 $ 0.665 $ 0.665 $ 0.665 $ 1.33 $ 1.33    
Treasury shares held in trust (in shares) 1 1 1 1 1 1 1 1
Treasury shares held in trust $ 29 $ 29 $ 29 $ 29 $ 29 $ 29 $ 29 $ 29
Common stock $ 18 $ 18 $ 18 $ 18 $ 18 $ 18 $ 18 $ 18