Distributions - Cash Distributions on Common Stock (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Distribution Amount
Return of capital		$ 0	$ 0
Net investment income		210	196
Short-term capital gains proceeds from the sale of assets		0	0
Long-term capital gains proceeds from the sale of assets		0	0
Total	[1]	$ 210	$ 196
Percentage
Return of capital		0.00%	0.00%
Net investment income		100.00%	100.00%
Short-term capital gains proceeds from the sale of assets		0.00%	0.00%
Long-term capital gains proceeds from the sale of assets		0.00%	0.00%
Total		100.00%	100.00%
Gross investment income attributable to cash income earned		89.40%	87.50%
Gross investment income attributable to non-cash accretion of discount		2.50%	3.30%
Gross investment income attributable to paid-in-kind interest		8.10%	9.20%

[1] See Note 5 for a discussion of the sources of distributions paid by the Company.