Financing Arrangements - Narrative (Details) - USD ($) $ in Millions |
9 Months Ended | ||||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
Jun. 15, 2019 |
Jun. 14, 2019 |
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| Debt Instrument [Line Items] | |||||
| Asset coverage per ratio (as percent) | 179.00% | ||||
| Long term outstanding | $ 6,487 | $ 7,369 | $ 7,620 | ||
| Senior securities, asset coverage ratio (as percent) | 177.00% | 184.00% | |||
| Average outstanding amount | $ 7,104 | $ 8,174 | |||
| Weighted average interest rate (as percent) | 5.72% | 5.48% | |||
| Investment Advisory Agreement | FS/KKR Advisor, LLC | |||||
| Debt Instrument [Line Items] | |||||
| Asset coverage per ratio (as percent) | 150.00% | 200.00% | |||
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average interest rate of debt outstanding. No definition available.
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- Definition Percentage of total assets less all liabilities and indebtedness not represented by senior security, to senior security representing indebtedness. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of total assets less all liabilities and indebtedness not represented by senior security to senior security representing indebtedness and involuntary liquidation preference of stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Average amount outstanding of long-term debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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