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CAPITAL SECURITIES - Reconciliation of cash flows from financing activities from capital securities (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2022
USD ($)
Capital Securities [Roll Forward]  
Capital Securities, beginning of period $ 3,085
Capital securities issued 57
Capital securities redeemed (3)
Non-cash changes on capital securities  
Equity conversion of capital securities 0
Fair value changes (321)
Other 15
Capital Securities, end of period $ 2,833