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Earnings per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Earnings Per Share [Abstract]    
Net Income $ 91 $ 108
Weighted average common shares outstanding - basic 70 72
Dilutive effect of employee stock plans (in shares) 0 0
Shares used for diluted earnings per share (in shares) 70 72
Net income per share, basic (in dollars per share) $ 1.30 $ 1.49
Net income per share, diluted (in dollars per share) $ 1.30 $ 1.48