v3.26.1
FAIR VALUE OF FINANCIAL INSTRUMENTS - Changes in Investments that use Level 3 Inputs (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at the beginning $ 28,838 $ 26,385 $ 28,692 $ 26,091
Purchases 2,924 2,730 6,331 5,409
Sales (1,707) (665) (3,347) (1,464)
Repayments (1,194) (1,452) (2,652) (2,908)
PIK interest and dividends 130 150 239 255
Net accretion of discount on investments 3 3 6 5
Transfers into Level 3 15 0 15 0
Transfers out of Level 3 (72) (52) (101) (212)
Balance at the end 28,687 27,126 28,687 27,126
Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Net realized gains (losses) and net unrealized losses $ (13) $ 110 $ 80 $ 7
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Net realized gains (losses): Net realized gains (losses): Net realized gains (losses): Net realized gains (losses):
Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Net realized gains (losses) and net unrealized losses $ (237) $ (83) $ (576) $ (57)
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Net unrealized gains (losses): Net unrealized gains (losses): Net unrealized gains (losses): Net unrealized gains (losses):