v3.26.3
FAIR VALUE OF FINANCIAL INSTRUMENTS - Changes in Investments that use Level 3 Inputs (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at the beginning $ 28,687 $ 27,126 $ 28,692 $ 26,091
Purchases 2,247 3,379 8,578 8,788
Sales (1,154) (687) (4,501) (2,151)
Repayments (1,224) (2,130) (3,876) (5,038)
PIK interest and dividends 114 108 353 363
Net accretion of discount on investments 3 2 9 7
Transfers into Level 3 0 0 15 0
Transfers out of Level 3 (20) 0 (121) (212)
Balance at the end 28,639 27,855 28,639 27,855
Income Statement Location [Axis]: us-gaap:DebtAndEquitySecuritiesRealizedGainLoss        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Net realized (losses) gains and net unrealized gains (losses) $ (63) $ 245 $ 17 $ 252
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 (losses) gains and net unrealized gains (losses) $ 49 $ (188) $ (527) $ (245)
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):