Distributions - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		9 Months Ended
	Oct. 08, 2024	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Schedule of Distributions [Line Items]
Distributions declared per share (in dollars per share)		$ 2.20	$ 2.20
Percent of market price		95.00%
Capital loss carryforwards		$ 2,369
Unrealized appreciation		1,239		$ 1,282
Unrealized depreciation		2,215		2,418
Income tax purposes		15,622		16,517
Net unrealized appreciation (depreciation)		(1,679)		$ (1,868)
Subsidiaries
Schedule of Distributions [Line Items]
Deferred tax liability		2
Deferred tax asset		115
Current tax liability		2
Deferred tax asset offset by valuation allowance		$ 113
Subsequent Event
Schedule of Distributions [Line Items]
Distributions declared per share (in dollars per share)	$ 0.70
Subsequent Event | O 2024 M10 Aggregate Dividends
Schedule of Distributions [Line Items]
Base distribution declared (in dollars per share)	0.64
Supplemental distribution declared (in dollars per share)	$ 0.06