Investments - Geographic Investment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Schedule of Investments [Line Items]
Cost	$ 68,985,671	$ 51,021,723
Fair Value	$ 68,419,777	$ 50,743,911
Fair Value as % of Net Assets	176.20%	177.90%
Investments At Fair Value | Investment Type Concentration Risk
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	100.00%	100.00%
United States
Schedule of Investments [Line Items]
Cost	$ 58,715,654	$ 45,398,837
Fair Value	$ 58,382,736	$ 45,129,324
Fair Value as % of Net Assets	150.30%	158.20%
United States | Investments At Fair Value | Investment Type Concentration Risk
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	85.30%	88.90%
Europe
Schedule of Investments [Line Items]
Cost	$ 7,973,168	$ 4,489,832
Fair Value	$ 7,763,312	$ 4,500,069
Fair Value as % of Net Assets	20.00%	15.80%
Europe | Investments At Fair Value | Investment Type Concentration Risk
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	11.30%	8.90%
Bermuda/Cayman Islands
Schedule of Investments [Line Items]
Cost	$ 1,620,670	$ 440,117
Fair Value	$ 1,634,770	$ 433,445
Fair Value as % of Net Assets	4.20%	1.50%
Bermuda/Cayman Islands | Investments At Fair Value | Investment Type Concentration Risk
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	2.40%	0.90%
Canada
Schedule of Investments [Line Items]
Cost	$ 618,302	$ 669,615
Fair Value	$ 582,731	$ 657,164
Fair Value as % of Net Assets	1.50%	2.30%
Canada | Investments At Fair Value | Investment Type Concentration Risk
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.90%	1.30%
Asia
Schedule of Investments [Line Items]
Cost	$ 35,315
Fair Value	$ 35,496
Fair Value as % of Net Assets	0.10%
Asia | Investments At Fair Value | Investment Type Concentration Risk
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.10%
Australia/New Zealand
Schedule of Investments [Line Items]
Cost	$ 22,562	$ 23,322
Fair Value	$ 20,732	$ 23,909
Fair Value as % of Net Assets	0.10%	0.10%
Australia/New Zealand | Investments At Fair Value | Investment Type Concentration Risk
Schedule of Investments [Line Items]
% of Total Investments at Fair Value	0.00%	0.00%