v3.26.3
Fair Value of Financial Instruments - Schedule of Roll Forward Level III (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Accretion of discount (amortization of premium) $ 16 $ 33
Investments    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value at beginning of period 11,005 12,035
Accretion of discount (amortization of premium) 16 33
Purchases 1,945 4,331
Paid-in-kind interest 126 167
Sales and repayments (2,783) (4,708)
Transfers into Level 3 0 0
Transfers out of Level 3 0 0
Fair value at end of period 9,663 11,592
The amount of total gains or losses for the period included in changes in net assets attributable to the change in unrealized gains or losses relating to investments still held at the reporting date (427) (198)
Investments | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) (381) (209)
Investments | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) (265) (57)
Senior Secured Loans—First Lien    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value at beginning of period 7,512 7,780
Accretion of discount (amortization of premium) 11 24
Purchases 1,295 3,183
Paid-in-kind interest 66 89
Sales and repayments (1,899) (3,110)
Transfers into Level 3 0 0
Transfers out of Level 3 0 0
Fair value at end of period 6,650 7,771
The amount of total gains or losses for the period included in changes in net assets attributable to the change in unrealized gains or losses relating to investments still held at the reporting date (271) (171)
Senior Secured Loans—First Lien | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) (235) (80)
Senior Secured Loans—First Lien | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) (100) (115)
Senior Secured Loans—Second Lien    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value at beginning of period 538 693
Accretion of discount (amortization of premium) 4 3
Purchases 0 0
Paid-in-kind interest 0 1
Sales and repayments (42) (40)
Transfers into Level 3 0 0
Transfers out of Level 3 0 0
Fair value at end of period 437 637
The amount of total gains or losses for the period included in changes in net assets attributable to the change in unrealized gains or losses relating to investments still held at the reporting date (47) (26)
Senior Secured Loans—Second Lien | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) (16) (3)
Senior Secured Loans—Second Lien | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) (47) (17)
Other Senior Secured Debt    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value at beginning of period 52 46
Accretion of discount (amortization of premium) 0 0
Purchases 7 47
Paid-in-kind interest 2 1
Sales and repayments 0 (33)
Transfers into Level 3 0 0
Transfers out of Level 3 0 0
Fair value at end of period 41 55
The amount of total gains or losses for the period included in changes in net assets attributable to the change in unrealized gains or losses relating to investments still held at the reporting date 11 (2)
Other Senior Secured Debt | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) (31) (7)
Other Senior Secured Debt | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) 11 1
Subordinated Debt    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value at beginning of period 126 233
Accretion of discount (amortization of premium) 1 2
Purchases 44 147
Paid-in-kind interest 2 9
Sales and repayments (59) (162)
Transfers into Level 3 0 0
Transfers out of Level 3 0 0
Fair value at end of period 101 212
The amount of total gains or losses for the period included in changes in net assets attributable to the change in unrealized gains or losses relating to investments still held at the reporting date (12) (15)
Subordinated Debt | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) 0 (9)
Subordinated Debt | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) (13) (8)
Asset Based Finance    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value at beginning of period 1,694 2,102
Accretion of discount (amortization of premium) 0 1
Purchases 414 720
Paid-in-kind interest 16 13
Sales and repayments (727) (953)
Transfers into Level 3 0 0
Transfers out of Level 3 0 0
Fair value at end of period 1,314 1,926
The amount of total gains or losses for the period included in changes in net assets attributable to the change in unrealized gains or losses relating to investments still held at the reporting date (97) 44
Asset Based Finance | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) 27 7
Asset Based Finance | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) (110) 36
Equity/Other    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value at beginning of period 1,083 1,181
Accretion of discount (amortization of premium) 0 3
Purchases 185 234
Paid-in-kind interest 40 54
Sales and repayments (56) (410)
Transfers into Level 3 0 0
Transfers out of Level 3 0 0
Fair value at end of period 1,120 991
The amount of total gains or losses for the period included in changes in net assets attributable to the change in unrealized gains or losses relating to investments still held at the reporting date (11) (28)
Equity/Other | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) (126) (117)
Equity/Other | Location, Statement of Income, Balance [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net realized gain (loss) $ (6) $ 46