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Leases (Schedule of Operating Lease Expense) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Operating Lease Expense    
Total Operating Lease Expense $ 248 $ 204
Transportation and Processing [Member]    
Operating Lease Expense    
Total Operating Lease Expense 40 2
Operating [Member]    
Operating Lease Expense    
Total Operating Lease Expense 114 101
Administrative [Member]    
Operating Lease Expense    
Total Operating Lease Expense $ 94 $ 101