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v3.25.3

Debt Financing - Narrative (Details) |  | 1 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 21, 2025 USD ($) | Dec. 31, 2024 USD ($) aircraft | Sep. 30, 2025 USD ($) facility aircraft | Sep. 30, 2024 USD ($) | Nov. 03, 2025 USD ($) | May 30, 2025 USD ($) | May 05, 2025 USD ($) | Apr. 30, 2025 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Composite interest rate |  | 4.14% | 4.29% |  |  |  |  |
Debt outstanding |  | $ 20,389,907,000 | $ 20,340,227,000 |  |  |  |  |
Proceeds from debt financings |  |  | 683,074,000 | $ 3,541,706,000 |  |  |  |
Senior unsecured securities |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt outstanding |  | 16,046,662,000 | 13,850,307,000 |  |  |  |  |
Proceeds from debt financings |  |  | 0 |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt outstanding |  | 170,000,000 | $ 0 |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | $ 8,200,000,000 |
Interest margin |  |  | 1.05% |  |  |  |  |
Facility fee |  |  | 0.20% |  |  |  |  |
Increase in maximum borrowing capacity |  |  |  |  |  | $ 250,000,000 |  |
Revolving Credit Facility | Subsequent Event |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit, noncurrent |  |  |  |  | $ 8,400,000,000 |  |  |
Revolving Credit Facility | Subsequent Event | Mature May 5, 2029 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit, noncurrent |  |  |  |  | 8,000,000,000 |  |  |
Revolving Credit Facility | Subsequent Event | Mature May 5, 2028 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit, noncurrent |  |  |  |  | 125,000,000 |  |  |
Revolving Credit Facility | Subsequent Event | Mature May 5, 2027 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit, noncurrent |  |  |  |  | 25,000,000 |  |  |
Revolving Credit Facility | Subsequent Event | Mature May 5, 2026 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit, noncurrent |  |  |  |  | $ 210,000,000 |  |  |
Tranche B |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  | $ 250,000,000
Other revolving credit facilities |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt outstanding |  | $ 0 | $ 600,000,000 |  |  |  |  |
Number of unsecured revolving credit facilities | facility |  |  | 2 |  |  |  |  |
One-Month Term SOFR 1.00% |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt outstanding |  |  | $ 300,000,000 |  |  |  |  |
Interest margin |  |  | 1.00% |  |  |  |  |
One-Month Term SOFR 1.05% |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt outstanding |  |  | $ 300,000,000 |  |  |  |  |
Interest margin |  |  | 1.05% |  |  |  |  |
Unsecured Term Loan Due December 2027 | Total unsecured debt financing |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest margin |  | 1.125% |  |  |  |  |  |
Aggregate principal amount |  | $ 966,500,000 |  |  |  |  |  |
Debt instrument, term |  | 3 years |  |  |  |  |  |
Additional commitments |  |  |  |  |  |  |  | $ 33,500,000
Additional 2025 Borrowings | Total unsecured debt financing |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Aggregate principal amount |  |  | $ 550,000,000 |  |  |  |  |
Number of term facilities entered into during period | facility |  |  | 3 |  |  |  |  |
Credit spread adjustment |  |  | 0.10% |  |  |  |  |
Additional 2025 Borrowings | Total unsecured debt financing | Minimum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest margin |  |  | 1.00% |  |  |  |  |
Debt instrument, term |  |  | 1 year |  |  |  |  |
Additional 2025 Borrowings | Total unsecured debt financing | Maximum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest margin |  |  | 1.15% |  |  |  |  |
Debt instrument, term |  |  | 2 years |  |  |  |  |
Term financings |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt outstanding |  | $ 3,628,600,000 | $ 3,870,000,000 |  |  |  |  |
Secured Debt |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt outstanding |  | $ 544,645,000 | $ 511,920,000 |  |  |  |  |
Number of aircraft pledged as collateral | aircraft |  | 10 | 10 |  |  |  |  |
Net book value of aircraft pledged as collateral |  | $ 772,700,000 | $ 736,200,000 |  |  |  |  |
Commercial paper |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt outstanding |  | $ 0 | $ 1,508,000,000 |  |  |  |  |
Maximum commercial paper amount outstanding | $ 2,000,000,000 |  |  |  |  |  |  |
Weighted average interest rate |  |  | 4.61% |  |  |  |  |
Weighted average maturity |  |  | 1 month |  |  |  |  |

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