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Financing Receivables and Operating Lease Equipment - Schedule of Customer Financing Carrying Values Related to Major Aircraft Concentrations (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
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B-777 |  |
Financing Receivables and Operating Lease Equipment [Line Items] |  |
Gross customer financing | $ 173 | $ 183
B747-8 |  |
Financing Receivables and Operating Lease Equipment [Line Items] |  |
Gross customer financing |  | 92
B-737 |  |
Financing Receivables and Operating Lease Equipment [Line Items] |  |
Gross customer financing | 46 | 47
B-717 |  |
Financing Receivables and Operating Lease Equipment [Line Items] |  |
Gross customer financing |  | $ 196

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- Definition The aggregate sum of financing receivables from investments in sales-type/finance leases, notes and operating lease equipment, at cost less accumulated depreciation, before the allowance for losses on the receivables. + References No definition available. + Details
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