Borrowings - May 2027 Notes (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022	May 03, 2022
Debt Instrument [Line Items]
Aggregate Principal Committed	$ 34,855,746,000	$ 36,037,871,000
May 2027 Notes | Unsecured debt
Debt Instrument [Line Items]
Aggregate Principal Committed	$ 625,000,000	$ 625,000,000	$ 625,000,000
Interest rate			5.61%
May 2027 Notes | Unsecured debt | Below Investment Grade Event
Debt Instrument [Line Items]
Interest rate			6.61%