Borrowings - December 2026 Notes (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022	Oct. 13, 2021	Sep. 15, 2021
Debt Instrument [Line Items]
Aggregate Principal Committed	$ 34,855,746,000	$ 36,037,871,000
December 2026 Notes | Unsecured debt
Debt Instrument [Line Items]
Aggregate Principal Committed	$ 1,250,000,000	$ 1,250,000,000		$ 900,000,000
Interest rate				2.625%
December 2026 Notes Upsize | Unsecured debt
Debt Instrument [Line Items]
Aggregate Principal Committed			$ 350,000,000
Interest rate			2.625%