Financial Highlights (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Investment Company, Financial Highlights [Roll Forward]
Early repurchase deduction fees (in used per share)	$ 0.01
Net asset value, ending of period (in usd per share)	$ 24.62	$ 25.90
Common stock, shares outstanding (in shares)	909,121,615			495,831,116
Supplemental Data:
Total net assets	$ 22,378,576	$ 8,471,195	$ 20,970,712	$ 12,854,820	$ 4,943,934	$ 52
Asset coverage ratio	181.70%			170.20%
Class I
Investment Company, Financial Highlights [Roll Forward]
Net asset value, beginning of period (in usd per share)	$ 25.93	$ 25.00
Net investment income (in usd per share)	1.75	1.60
Net unrealized and realized gain (loss) (in usd per share)	(1.43)	0.82
Net increase (decrease) in net assets resulting from operations (in usd per share)	0.32	2.42
Distributions from net investment income (in usd per share)	(1.64)	1.52
Distributions from net realized gains (in usd per share)	0	0
Net increase (decrease) in net assets from shareholders' distributions (in usd per share)	(1.64)
Net increase (decrease) in net assets from shareholders' distributions (in usd per share)		(1.52)
Early repurchase deduction fees (in used per share)	0.01	0
Total increase (decrease) in net assets (in usd per share)	(1.31)	0.90
Net asset value, ending of period (in usd per share)	$ 24.62	$ 25.90
Common stock, shares outstanding (in shares)	598,605,098	243,870,248
Total return based on NAV	1.26%	9.91%
Ratios:
Ratio of net expenses to average net assets	6.42%	4.20%
Ratio of net investment income to average net assets	9.24%	8.20%
Portfolio turnover rate	13.59%	24.68%
Supplemental Data:
Asset coverage ratio	181.70%	196.10%
Impact of timing of capital transactions (in usd per share)	$ (0.01)	$ 0.21
Ratio of expenses to average net assets, before waivers	5.75%	4.99%
Ratio of expenses to average net assets, waivers	0.00%	0.79%
Class I | Common Stock
Supplemental Data:
Total net assets	$ 14,734,969	$ 6,316,746
Class S
Investment Company, Financial Highlights [Roll Forward]
Net asset value, beginning of period (in usd per share)	$ 25.93	$ 25.00
Net investment income (in usd per share)	1.59	1.45
Net unrealized and realized gain (loss) (in usd per share)	(1.43)	0.81
Net increase (decrease) in net assets resulting from operations (in usd per share)	0.16	2.26
Distributions from net investment income (in usd per share)	(1.47)	1.36
Distributions from net realized gains (in usd per share)	0	0
Net increase (decrease) in net assets from shareholders' distributions (in usd per share)	(1.47)
Net increase (decrease) in net assets from shareholders' distributions (in usd per share)		(1.36)
Early repurchase deduction fees (in used per share)	0	0
Total increase (decrease) in net assets (in usd per share)	(1.31)	0.90
Net asset value, ending of period (in usd per share)	$ 24.62	$ 25.90
Common stock, shares outstanding (in shares)	266,826,806	75,409,980
Total return based on NAV	0.62%	9.23%
Ratios:
Ratio of net expenses to average net assets	7.31%	5.20%
Ratio of net investment income to average net assets	8.41%	7.43%
Portfolio turnover rate	13.59%	24.68%
Supplemental Data:
Asset coverage ratio	181.70%	196.10%
Impact of timing of capital transactions (in usd per share)	$ (0.01)	$ 0.26
Ratio of expenses to average net assets, before waivers	6.29%	5.89%
Ratio of expenses to average net assets, waivers	0.00%	0.69%
Class S | Common Stock
Supplemental Data:
Total net assets	$ 6,568,170	$ 1,953,286
Class D
Investment Company, Financial Highlights [Roll Forward]
Net asset value, beginning of period (in usd per share)	$ 25.93	$ 25.59
Net investment income (in usd per share)	1.71	0.89
Net unrealized and realized gain (loss) (in usd per share)	(1.43)	0.36
Net increase (decrease) in net assets resulting from operations (in usd per share)	0.28	1.25
Distributions from net investment income (in usd per share)	(1.59)	0.94
Distributions from net realized gains (in usd per share)	0	0
Net increase (decrease) in net assets from shareholders' distributions (in usd per share)	(1.59)
Net increase (decrease) in net assets from shareholders' distributions (in usd per share)		(0.94)
Early repurchase deduction fees (in used per share)	0	0
Total increase (decrease) in net assets (in usd per share)	(1.31)	0.31
Net asset value, ending of period (in usd per share)	$ 24.62	$ 25.90
Common stock, shares outstanding (in shares)	43,689,711	7,766,027
Total return based on NAV	1.07%	4.95%
Ratios:
Ratio of net expenses to average net assets	6.79%	5.18%
Ratio of net investment income to average net assets	9.05%	7.80%
Portfolio turnover rate	13.59%	24.68%
Supplemental Data:
Asset coverage ratio	181.70%	196.10%
Impact of timing of capital transactions (in usd per share)	$ 0.00	$ 0.11
Ratio of expenses to average net assets, before waivers	5.48%	5.46%
Ratio of expenses to average net assets, waivers	0.00%	0.26%
Class D | Common Stock
Supplemental Data:
Total net assets	$ 1,075,437	$ 201,163