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INVESTMENTS (Details - Securities available for sale in a loss position) - Bonds available for sale
$ in Millions
Dec. 31, 2021
USD ($)
item
Dec. 31, 2020
USD ($)
item
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Fair Value, Less than 12 Months $ 58,573 $ 24,504
Gross Unrealized Losses, Less than 12 Months 1,137 576
Fair Value, 12 Months or More 12,293 5,314
Gross Unrealized Losses, 12 Months or More 689 192
Fair Value, Total 70,866 29,818
Gross Unrealized Losses, Total $ 1,826 $ 768
Number of securities in an unrealized loss position | item 15,029 5,105
Number of individual securities in continuous unrealized loss position for longer than twelve months | item 2,644 949
U.S. government and government sponsored entities    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Fair Value, Less than 12 Months $ 3,696 $ 649
Gross Unrealized Losses, Less than 12 Months 14 17
Fair Value, 12 Months or More 447 0
Gross Unrealized Losses, 12 Months or More 13 0
Fair Value, Total 4,143 649
Gross Unrealized Losses, Total 27 17
Obligations of states, municipalities and political subdivisions    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Fair Value, Less than 12 Months 714 267
Gross Unrealized Losses, Less than 12 Months 11 4
Fair Value, 12 Months or More 57 78
Gross Unrealized Losses, 12 Months or More 4 3
Fair Value, Total 771 345
Gross Unrealized Losses, Total 15 7
Non-U.S. governments    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Fair Value, Less than 12 Months 4,644 1,287
Gross Unrealized Losses, Less than 12 Months 115 28
Fair Value, 12 Months or More 1,324 262
Gross Unrealized Losses, 12 Months or More 132 33
Fair Value, Total 5,968 1,549
Gross Unrealized Losses, Total 247 61
Corporate debt    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Fair Value, Less than 12 Months 31,914 11,715
Gross Unrealized Losses, Less than 12 Months 720 348
Fair Value, 12 Months or More 8,819 1,283
Gross Unrealized Losses, 12 Months or More 467 81
Fair Value, Total 40,733 12,998
Gross Unrealized Losses, Total 1,187 429
Residential mortgage-backed securities (RMBS)    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Fair Value, Less than 12 Months 5,362 3,486
Gross Unrealized Losses, Less than 12 Months 102 40
Fair Value, 12 Months or More 1,154 282
Gross Unrealized Losses, 12 Months or More 46 18
Fair Value, Total 6,516 3,768
Gross Unrealized Losses, Total 148 58
Commercial mortgage-backed securities (CMBS)    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Fair Value, Less than 12 Months 3,980 1,644
Gross Unrealized Losses, Less than 12 Months 63 58
Fair Value, 12 Months or More 153 346
Gross Unrealized Losses, 12 Months or More 16 12
Fair Value, Total 4,133 1,990
Gross Unrealized Losses, Total 79 70
Collateralized Debt Obligations/Asset-Backed Securities (CDO/ABS)    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Fair Value, Less than 12 Months 8,263 5,456
Gross Unrealized Losses, Less than 12 Months 112 81
Fair Value, 12 Months or More 339 3,063
Gross Unrealized Losses, 12 Months or More 11 45
Fair Value, Total 8,602 8,519
Gross Unrealized Losses, Total $ 123 $ 126