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Leases Lessee Finance Leases (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Finance Lease, Right-of-Use Asset, Depreciation $ 191 $ 182 $ 182
Master Prepaid Leases, Gross 4,234 4,243  
Master Prepaid Leases, Accumulated Amortization (3,007) (2,832)  
Master Prepaid Leases, Net 1,227 1,411  
Finance Leases, Net 38 22  
Finance Leases, Accumulation Amortization (48) (49)  
Finance Leases, Gross 86 71  
Master Prepaid Leases and Finance Leases, Net 1,265 1,433  
Master Prepaid Leases and Finance Leases, Accumulated Amortization (3,055) (2,881)  
Master Prepaid Lease and Finance Lease, Gross $ 4,320 $ 4,314