v3.26.1
Acquisitions and Other Transactions (Announced Divestiture of Rockies Operations) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Nov. 12, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Gain (Loss) on Disposition of Assets $ (1) $ 0  
Disposal Group, Not Discontinued Operations | Rockies Operations      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Disposal Group, Including Discontinued Operation, Consideration     $ 980