Consolidated Balance Sheets - USD ($) $ in Millions		Sep. 30, 2024		Dec. 31, 2023
Assets
Investments, at fair value		$ 13,943.4	[1],[2]	$ 14,649.3	[3],[4],[5],[6],[7]
Cash and cash equivalents		366.0		223.0
Foreign currency, at fair value (cost—$5 and $8, respectively)		5.0		8.0
Receivable for investments sold and repaid		468.0		246.0
Income receivable		313.0		290.0
Unrealized appreciation on foreign currency forward contracts		0.0		13.0
Deferred financing costs		27.0		32.0
Prepaid expenses and other assets		27.0		8.0
Total assets		15,149.0		15,469.0
Liabilities
Payable for investments purchased		1.0		0.0
Debt (net of deferred financing costs and discount)	[8]	8,060.0		8,187.0
Unrealized depreciation on foreign currency forward contracts		10.0		4.0
Stockholder distributions payable		196.0		196.0
Management fees payable		54.0		56.0
Subordinated income incentive fees payable	[9]	44.0		41.0
Administrative services expense payable		5.0		5.0
Interest payable		99.0		98.0
Other accrued expenses and liabilities		9.0		33.0
Total liabilities		8,478.0		8,620.0
Commitments and contingencies	[10]
Stockholders’ equity
Preferred stock, $0.001 par value, 50,000,000 shares authorized, none issued and outstanding		0.0		0.0
Common stock, $0.001 par value, 750,000,000 shares authorized, 280,066,433 and 280,066,433 shares issued and outstanding, respectively		0.0		0.0
Capital in excess of par value		9,437.0		9,437.0
Retained earnings (accumulated deficit)	[11]	(2,766.0)		(2,588.0)
Total stockholders’ equity		6,671.0		6,849.0
Total liabilities and stockholders’ equity		$ 15,149.0		$ 15,469.0
Net asset value per share of common stock at period end (in dollars per share)		$ 23.82		$ 24.46
Non-controlled/unaffiliated
Assets
Investments, at fair value		$ 9,407.0		$ 10,568.0
Non-controlled/affiliated
Assets
Investments, at fair value		838.1		745.4
Controlled/affiliated
Assets
Investments, at fair value		$ 3,698.2		$ 3,335.7

[1] Security may be an obligation of one or more entities affiliated with the named company

[2] See Note 8 for additional information regarding the fair value of the Company’s financial instruments

[3] Security is classified as Level 1 or 2 in the Company's fair value hierarchy (see Note 8).

[4] Security is non-income producing.

[5] Security or portion thereof is pledged as collateral supporting the amounts outstanding under the Senior Secured Revolving Credit Facility (see Note 9).

[6] Security may be an obligation of one or more entities affiliated with the named company.

[7] Fair value determined by the Company’s board of directors (see Note 8).

[8] See Note 9 for a discussion of the Company’s financing arrangements.

[9] See Note 2 and 4 for a discussion of the methodology employed by the Company in calculating the subordinated income incentive fees.

[10] See Note 10 for a discussion of the Company’s commitments and contingencies.

[11] See Note 5 for a discussion of the sources of distributions paid by the Company.