Financial Highlights and Senior Securities - Schedule of Financial Highlights (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Investment Company, Financial Highlights [Roll Forward]
Early repurchase deduction fees (in used per share)	$ 0.01		$ 0.01	$ 0.01
Common stock, shares outstanding (in shares)	1,528,574,321	1,123,896,870
Supplemental Data:
Total net assets	$ 38,855,763	$ 28,534,437	$ 22,685,065	$ 12,854,820
Asset coverage ratio	226.50%	221.90%
Class I
Investment Company, Financial Highlights [Roll Forward]
Net asset value, beginning of period (in usd per share)	$ 25.39	$ 24.59	$ 25.93	$ 25.00
Net investment income (in usd per share)	2.81	3.08	2.44	2.20
Net unrealized and realized gain (loss) (in usd per share)	(0.14)	0.29	(1.56)	0.84
Net increase (decrease) in net assets resulting from operations (in usd per share)	2.67	3.37	0.88	3.04
Distributions from net investment income (in usd per share)	(2.64)	(2.57)	(2.23)	(2.09)
Distributions from net realized gains (in usd per share)	0	0	0	(0.02)
Net increase (decrease) in net assets from shareholders' distributions (in usd per share)	(2.64)	(2.57)	(2.23)	(2.11)
Early repurchase deduction fees (in used per share)	0.00	0.00	0.01	0.00
Total increase (decrease) in net assets (in usd per share)	0.03	0.80	(1.34)	0.93
Net asset value, ending of period (in usd per share)	$ 25.42	$ 25.39	$ 24.59	$ 25.93
Common stock, shares outstanding (in shares)	1,009,518,371
Total return based on NAV	11.00%	14.40%	3.60%	12.60%
Ratios:
Ratio of net expenses to average net assets	8.30%	10.30%	7.50%	4.80%
Ratio of net investment income to average net assets	10.90%	12.30%	9.80%	8.60%
Portfolio turnover rate	13.30%	13.50%	21.20%	29.10%
Supplemental Data:
Asset coverage ratio	226.50%	221.90%	184.50%	170.20%
Impact of timing of capital transactions (in usd per share)				$ 0.31
Ratio of expenses to average net assets, before waivers	8.30%	10.30%	7.50%	5.40%
Ratio of expenses to average net assets, waivers	0.00%	0.00%	0.00%	0.60%
Class I | Common Stock
Investment Company, Financial Highlights [Roll Forward]
Net asset value, beginning of period (in usd per share)	$ 25.39
Net asset value, ending of period (in usd per share)	$ 25.42	$ 25.39
Common stock, shares outstanding (in shares)	1,009,518,371	734,579,940	591,237,616	346,591,556
Supplemental Data:
Total net assets	$ 25,661,534	$ 18,649,595	$ 14,537,932	$ 8,985,674
Class S
Investment Company, Financial Highlights [Roll Forward]
Net asset value, beginning of period (in usd per share)	$ 25.39	$ 24.59	$ 25.93	$ 25.00
Net investment income (in usd per share)	2.59	2.87	2.23	1.99
Net unrealized and realized gain (loss) (in usd per share)	(0.14)	0.29	(1.56)	0.84
Net increase (decrease) in net assets resulting from operations (in usd per share)	2.45	3.16	0.67	2.83
Distributions from net investment income (in usd per share)	(2.42)	(2.36)	(2.01)	(1.88)
Distributions from net realized gains (in usd per share)	0	0	0	(0.02)
Net increase (decrease) in net assets from shareholders' distributions (in usd per share)	(2.42)	(2.36)	(2.01)	(1.90)
Early repurchase deduction fees (in used per share)	0.00	0.00	0.00	0.00
Total increase (decrease) in net assets (in usd per share)	0.03	0.80	(1.34)	0.93
Net asset value, ending of period (in usd per share)	$ 25.42	$ 25.39	$ 24.59	$ 25.93
Common stock, shares outstanding (in shares)	496,136,844
Total return based on NAV	10.10%	13.40%	2.70%	11.60%
Ratios:
Ratio of net expenses to average net assets	9.20%	11.10%	8.40%	5.90%
Ratio of net investment income to average net assets	10.10%	11.50%	9.00%	7.80%
Portfolio turnover rate	13.30%	13.50%	21.20%	29.10%
Supplemental Data:
Asset coverage ratio	226.50%	221.90%	184.50%	170.20%
Impact of timing of capital transactions (in usd per share)				$ 0.38
Ratio of expenses to average net assets, before waivers	9.20%	11.10%	8.40%	6.30%
Ratio of expenses to average net assets, waivers	0.00%	0.00%	0.00%	0.50%
Class S | Common Stock
Investment Company, Financial Highlights [Roll Forward]
Net asset value, beginning of period (in usd per share)	$ 25.39
Net asset value, ending of period (in usd per share)	$ 25.42	$ 25.39
Common stock, shares outstanding (in shares)	496,136,844	373,864,258	282,541,041	132,425,100
Supplemental Data:
Total net assets	$ 12,611,626	$ 9,492,496	$ 6,947,313	$ 3,433,213
Class D
Investment Company, Financial Highlights [Roll Forward]
Net asset value, beginning of period (in usd per share)	$ 25.39	$ 24.59	$ 25.93	$ 25.59
Net investment income (in usd per share)	2.75	3.02	2.38	1.46
Net unrealized and realized gain (loss) (in usd per share)	(0.14)	0.29	(1.56)	0.39
Net increase (decrease) in net assets resulting from operations (in usd per share)	2.61	3.31	0.82	1.85
Distributions from net investment income (in usd per share)	(2.58)	(2.51)	(2.16)	(1.49)
Distributions from net realized gains (in usd per share)	0	0	0	(0.02)
Net increase (decrease) in net assets from shareholders' distributions (in usd per share)	(2.58)	(2.51)	(2.16)	(1.51)
Early repurchase deduction fees (in used per share)	0.00	0.00	0.00	0.00
Total increase (decrease) in net assets (in usd per share)	0.03	0.80	(1.34)	0.34
Net asset value, ending of period (in usd per share)	$ 25.42	$ 25.39	$ 24.59	$ 25.93
Common stock, shares outstanding (in shares)	22,919,106
Total return based on NAV	10.70%	14.10%	3.30%	7.40%
Ratios:
Ratio of net expenses to average net assets	8.50%	10.60%	8.00%	5.70%
Ratio of net investment income to average net assets	10.70%	12.00%	9.60%	8.30%
Portfolio turnover rate	13.30%	13.50%	21.20%	29.10%
Supplemental Data:
Asset coverage ratio	226.50%	221.90%	184.50%	170.20%
Impact of timing of capital transactions (in usd per share)				$ 0.15
Ratio of expenses to average net assets, before waivers	8.50%	10.60%	8.00%	5.90%
Ratio of expenses to average net assets, waivers	0.00%	0.00%	0.00%	0.20%
Class D | Common Stock
Investment Company, Financial Highlights [Roll Forward]
Net asset value, beginning of period (in usd per share)	$ 25.39
Net asset value, ending of period (in usd per share)	$ 25.42	$ 25.39
Common stock, shares outstanding (in shares)	22,919,106	15,452,672	48,795,925	16,814,460
Supplemental Data:
Total net assets	$ 582,603	$ 392,346	$ 1,199,819	$ 435,933