v3.26.1
Supplemental Cash Flow Statement and Other Disclosures (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Cash, Cash Equivalents and Restricted Cash        
Cash and cash equivalents $ 730 $ 449 $ 1,212 $ 885
Current restricted cash (included in other current assets) $ 17 $ 7 $ 7 $ 8
Location of current restricted cash Other current assets Other current assets Other current assets Other current assets
Noncurrent restricted cash (included in other assets) $ 2 $ 6 $ 2 $ 6
Restricted Cash and Cash Equivalent, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other Assets, Noncurrent Other Assets, Noncurrent Other Assets, Noncurrent Other Assets, Noncurrent
Cash reported in current assets held for sale   $ 5   $ 32
Total cash, cash equivalents and restricted cash $ 749 467 $ 1,221 931
Other Non-cash items        
PP&E acquired but not yet paid 156 $ 74 161 $ 96
Amount of obligations outstanding $ 229   $ 424  
Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration] Accounts Payable, Current   Accounts Payable, Current