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Investments (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]      
Equity securities held $ 110 $ 113  
Purchase of long-term investments 3 1 $ 12
Recognized net losses $ (6) $ 0 $ 0