Quarterly report [Sections 13 or 15(d)]

Assets and Liabilities Measured at Fair Value (Details)

v3.26.1
Assets and Liabilities Measured at Fair Value (Details) - Recurring - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Assets and Liabilities Measured at Fair Value    
Cash equivalents $ 42 $ 57
Restricted cash equivalents   38
Exchangeable senior debentures   956
Quoted prices in active markets for identical assets (Level 1)    
Assets and Liabilities Measured at Fair Value    
Cash equivalents $ 42 57
Restricted cash equivalents   38
Significant other observable inputs (Level 2)    
Assets and Liabilities Measured at Fair Value    
Exchangeable senior debentures   $ 956