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Leases Lessee Finance Leases (Details) - USD ($) $ in Millions | 12 Months Ended
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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 |

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- Definition Amount of amortization expense attributable to right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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