v3.26.1
Subsequent Events (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
Apr. 20, 2026
Apr. 09, 2026
Mar. 31, 2026
Mar. 31, 2025
Subsequent Event [Line Items]        
Proceeds from divestitures     $ 7 $ 1,884
Aggregate cash payment for repurchased debt     $ 459 $ 0
Unsecured Notes, Due May 15, 2028 [Member] | 5.65% Unsecured Notes [Member] | Subsequent Event [Member]        
Subsequent Event [Line Items]        
Debt instrument redeemed $ 700      
Debt instrument interest rate stated percentage 5.65%      
Debt instrument maturity date May 15, 2028      
Aggregate cash payment for repurchased debt $ 737      
Accrued and unpaid interest 17      
Debt instrument one time payment $ 20      
Anadarko Assets [Member] | Subsequent Event [Member]        
Subsequent Event [Line Items]        
Proceeds from divestitures   $ 2,900