Debt - Narrative (Details)	Mar. 31, 2022 USD ($)
Revolving Credit Facility
Debt Instrument [Line Items]
Renewed borrowing capacity	$ 1,900,000,000
Secured Debt | Securitization Notes Payable with Maturity Dates from 2023 to 2029
Debt Instrument [Line Items]
Debt instrument, face amount	$ 5,200,000,000
Weighted average interest rate	1.74%
Unsecured Senior Notes | Senior Notes with Maturity Dates from 2024 to 2032
Debt Instrument [Line Items]
Debt instrument, face amount	$ 3,700,000,000
Weighted average interest rate	2.40%