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Investments (Detail) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Equity Method Investments and Joint Ventures [Abstract]      
Investment in equity affiliates $ 151 $ 141 $ 141
Marketable equity securities 79 85  
Other investments 102 105  
Investments total $ 332 $ 331