Distributions - Cash Distributions on Common Stock (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Distribution Amount
Return of capital	$ 0	$ 0
Net Investment Income	406	372
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	$ 406	$ 372
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	86.20%	84.10%
Gross investment income attributable to non-cash accretion of discount	3.10%	5.20%
Gross investment income attributable to paid-in-kind interest	10.70%	10.70%