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Earnings Per Share - Additional Information (Detail) - USD ($)
shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Undistributed earnings $ 9  
Stock Awards and Stock Options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Common shares equivalents that would have been included in diluted average shares outstanding   2
Number of anti-dilutive securities   3