Debt Financing - Schedule of Consolidated Debt (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Total debt financing	$ 19,939,049,000	$ 19,862,344,000
Less: Debt discounts and issuance costs	(119,854,000)	(132,215,000)
Debt financing, net of discounts and issuance costs	19,819,195,000	19,730,129,000
Unsecured Debt
Debt Instrument [Line Items]
Total debt financing	19,513,019,000	19,368,758,000
Secured Debt
Debt Instrument [Line Items]
Total debt financing	426,030,000	493,586,000
Senior unsecured securities | Unsecured Debt
Debt Instrument [Line Items]
Total debt financing	12,389,769,000	13,860,558,000
Term financings | Unsecured Debt
Debt Instrument [Line Items]
Total debt financing	3,606,950,000	3,846,800,000
Commercial paper
Debt Instrument [Line Items]
Total debt financing	1,000,000,000.0	1,400,000,000
Commercial paper | Unsecured Debt
Debt Instrument [Line Items]
Total debt financing	1,046,300,000	1,361,400,000
Revolving Credit Facility | Unsecured Debt
Debt Instrument [Line Items]
Total debt financing	2,470,000,000	0
Other revolving credit facilities | Unsecured Debt
Debt Instrument [Line Items]
Total debt financing	0	300,000,000
Term financings | Secured Debt
Debt Instrument [Line Items]
Total debt financing	254,677,000	318,348,000
Export credit financing | Secured Debt
Debt Instrument [Line Items]
Total debt financing	$ 171,353,000	$ 175,238,000