Consolidated Statements of Changes in Net Assets - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operations:
Net investment income after excise tax	$ 571,182	$ 146,537	$ 1,341,209	$ 264,325
Net realized gain (loss)	(99,556)	4,255	(110,874)	10,273
Net unrealized appreciation (depreciation)	(135,308)	21,126	(1,085,983)	89,657
Net increase (decrease) in net assets resulting from operations	336,318	171,918	144,352	364,255
Distributions to common shareholders:
Net decrease in net assets resulting from distributions	(523,865)	(142,168)	(1,251,352)	(262,801)
Share transactions:
Total increase (decrease) in net assets	1,407,864	3,527,261	9,523,756	8,471,143
Net assets, beginning of period	20,970,712	4,943,934	12,854,820	52
Net assets, end of period	22,378,576	8,471,195	22,378,576	8,471,195
Class I
Share transactions:
Proceeds from shares sold	1,253,674	2,479,115	6,973,021	6,148,343
Share transfers between classes	16,753	14,693	56,232	17,438
Distributions reinvested	151,911	49,034	370,696	73,596
Class I | Common Stock
Distributions to common shareholders:
Net decrease in net assets resulting from distributions	(359,759)	(109,808)	(871,105)	(207,543)
Share transactions:
Proceeds from shares sold	1,253,674	2,479,115	6,973,021	6,148,343
Share transfers between classes	16,753	14,693	56,232	17,438
Distributions reinvested	151,911	49,034	370,696	73,596
Repurchased shares	(611,647)	(2,801)	(904,839)	(4,040)
Net increase (decrease) from share transactions	810,691	2,540,041	6,495,110	6,235,337
Net assets, beginning of period			8,985,674
Net assets, end of period	14,734,969		14,734,969
Class S
Share transactions:
Proceeds from shares sold	601,002	823,021	3,406,722	1,916,892
Share transfers between classes	(6,483)	(3,439)	(11,003)	(3,439)
Distributions reinvested	61,154	15,471	142,331	20,812
Class S | Common Stock
Distributions to common shareholders:
Net decrease in net assets resulting from distributions	(140,144)	(29,305)	(327,288)	(51,138)
Share transactions:
Proceeds from shares sold	601,002	823,021	3,406,722	1,916,892
Share transfers between classes	(6,483)	(3,439)	(11,003)	(3,439)
Distributions reinvested	61,154	15,471	142,331	20,812
Repurchased shares	(47,971)	(87)	(89,583)	(81)
Net increase (decrease) from share transactions	607,702	834,966	3,448,467	1,934,184
Net assets, beginning of period			3,433,213
Net assets, end of period	6,568,170		6,568,170
Class D | Common Stock
Distributions to common shareholders:
Net decrease in net assets resulting from distributions	(23,963)	(3,055)	(52,959)	(4,120)
Share transactions:
Proceeds from shares sold	179,680	132,547	713,712	212,894
Share transfers between classes	(10,270)	(11,254)	(45,229)	(13,999)
Distributions reinvested	11,404	1,210	24,710	1,272
Repurchased shares, net of early repurchase deduction	(3,796)	1	(6,014)	1
Net increase (decrease) from share transactions	177,018	$ 122,504	687,179	$ 200,168
Net assets, beginning of period			435,933
Net assets, end of period	$ 1,075,437		$ 1,075,437