v3.26.1
Asset Retirement Obligations (Tables)
 6 Months Ended
Jun. 30, 2026
Asset Retirement Obligation [Abstract]  
Schedule of Asset Retirement Obligation Rollforward Analysis
The following table presents the reconciliation of the beginning and ending aggregate carrying amounts of short-term and long-term legal obligations associated with the retirement of property, plant and equipment for the six-month periods ended June 30, 2026 and 2025 (in millions):

Six Months Ended
June 30,
20262025
Carrying Amount at January 1$1,570 $1,460 
Liabilities Incurred26 21 
Liabilities Settled (1)
(40)(33)
Accretion33 30 
Revisions (2)
19 5 
Foreign Currency Translations(1)1 
Carrying Amount at June 30$1,607 $1,484 
        
Current Portion$45 $74 
Noncurrent Portion$1,562 $1,410 
(1)Includes settlements related to asset sales and property exchanges.
(2)Revisions for the six-month period ended June 30, 2026, included $15 million related to revisions to the Encino purchase price allocation (see Note 12).