v3.25.3
Leases - Other Quantitative Information (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Operating Leases      
Weighted-average remaining lease term 7 years 3 months 18 days   7 years
Weighted-average discount rate [1] 5.20%   5.00%
Finance Leases      
Weighted-average remaining lease term 8 years 9 months 18 days   8 years 9 months 18 days
Weighted-average discount rate [1] 6.60%   7.40%
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability [2] $ 408 $ 718  
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability [3] $ 472 59  
Right-Of-Use Asset Obtained In Exchange For Finance Lease Liability, Reclassification From Operating Lease   33  
Right-Of-Use Asset Obtained In Exchange For Operating Lease Liability, Reclassification From Finance Lease   $ 15  
[1] The weighted average discount rate is impacted by certain finance leases that commenced prior to the adoption of the current leasing standard under GAAP. In accordance with previous accounting guidance, the implied rate is based on the fair value of the underlying assets.
[2] Net of $33 million reclassified from operating leases to finance leases during the nine months ended September 30, 2024, as a result of modifications of the underlying tug vessel leases.
[3] Net of $15 million reclassified from finance leases to operating leases during the nine months ended September 30, 2024, as a result of modifications of the underlying tug vessel leases.