Quarterly report [Sections 13 or 15(d)]

Assets and Liabilities Measured at Fair Value - Assets And Liabilities Measured At Fair Value On A Recurring Basis (Details)

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Assets and Liabilities Measured at Fair Value - Assets And Liabilities Measured At Fair Value On A Recurring Basis (Details) - Recurring - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Assets and liabilities measured at fair value    
Cash equivalents $ 1,416 $ 652
Debt 82 282
Quoted prices in active markets for identical assets (Level 1)    
Assets and liabilities measured at fair value    
Cash equivalents 1,416 652
Debt 0 0
Significant other observable inputs (Level 2)    
Assets and liabilities measured at fair value    
Cash equivalents 0 0
Debt $ 82 $ 282