Investments - Schedule of The Capital Commitment and Economic Ownership for Blue Owl Credit SLF LLC (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net Investment Income [Line Items]
Total capital commitments, end of period		$ 5,471,160	$ 5,067,680	$ 2,313,237
Blue Owl Credit SLF LLC
Net Investment Income [Line Items]
Investment, ownership percentage	100.00%
Blue Owl Capital Corporation | Blue Owl Credit SLF LLC
Net Investment Income [Line Items]
Investment, ownership percentage	84.60%
Blue Owl Capital Corporation II | Blue Owl Credit SLF LLC
Net Investment Income [Line Items]
Investment, ownership percentage	0.10%
Blue Owl Capital Corporation III | Blue Owl Credit SLF LLC
Net Investment Income [Line Items]
Investment, ownership percentage	0.70%
Blue Owl Credit Income Corp. | Blue Owl Credit SLF LLC
Net Investment Income [Line Items]
Investment, ownership percentage	1.20%
Blue Owl Technology Finance Corp. | Blue Owl Credit SLF LLC
Net Investment Income [Line Items]
Investment, ownership percentage	0.30%
Blue Owl Technology Finance Corp. II | Blue Owl Credit SLF LLC
Net Investment Income [Line Items]
Investment, ownership percentage	0.30%
Blue Owl Technology Income Corp. | Blue Owl Credit SLF LLC
Net Investment Income [Line Items]
Investment, ownership percentage	0.30%
State Teachers Retirement System of Ohio | Blue Owl Credit SLF LLC
Net Investment Income [Line Items]
Investment, ownership percentage	12.50%
Blue Owl Credit SLF LLC
Net Investment Income [Line Items]
Total capital commitments, end of period	$ 913,963
Blue Owl Credit SLF LLC | Blue Owl Capital Corporation
Net Investment Income [Line Items]
Total capital commitments, end of period	774,218
Blue Owl Credit SLF LLC | Blue Owl Capital Corporation II
Net Investment Income [Line Items]
Total capital commitments, end of period	500
Blue Owl Credit SLF LLC | Blue Owl Capital Corporation III
Net Investment Income [Line Items]
Total capital commitments, end of period	6,250
Blue Owl Credit SLF LLC | Blue Owl Credit Income Corp.
Net Investment Income [Line Items]
Total capital commitments, end of period	11,250
Blue Owl Credit SLF LLC | Blue Owl Technology Finance Corp.
Net Investment Income [Line Items]
Total capital commitments, end of period	2,500
Blue Owl Credit SLF LLC | Blue Owl Technology Finance Corp. II
Net Investment Income [Line Items]
Total capital commitments, end of period	2,500
Blue Owl Credit SLF LLC | Blue Owl Technology Income Corp.
Net Investment Income [Line Items]
Total capital commitments, end of period	2,500
Blue Owl Credit SLF LLC | State Teachers Retirement System of Ohio
Net Investment Income [Line Items]
Total capital commitments, end of period	$ 114,245