INVESTMENTS (Details - Securities available for sale in a loss position) - Bonds available for sale $ in Millions	Mar. 31, 2022 USD ($) security	Dec. 31, 2021 USD ($) security
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Fair Value, Less than 12 Months	$ 128,061	$ 58,573
Gross Unrealized Losses, Less than 12 Months	7,929	1,137
Fair Value, 12 Months or More	15,086	12,293
Gross Unrealized Losses, 12 Months or More	2,064	689
Fair Value, Total	143,147	70,866
Gross Unrealized Losses, Total	$ 9,993	$ 1,826
Number of securities in an unrealized loss position | security	26,173	15,029
Number of individual securities in continuous unrealized loss position for longer than twelve months | security	3,631	2,644
U.S. government and government sponsored entities
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Fair Value, Less than 12 Months	$ 5,488	$ 3,696
Gross Unrealized Losses, Less than 12 Months	205	14
Fair Value, 12 Months or More	441	447
Gross Unrealized Losses, 12 Months or More	34	13
Fair Value, Total	5,929	4,143
Gross Unrealized Losses, Total	239	27
Obligations of states, municipalities and political subdivisions
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Fair Value, Less than 12 Months	3,468	714
Gross Unrealized Losses, Less than 12 Months	248	11
Fair Value, 12 Months or More	104	57
Gross Unrealized Losses, 12 Months or More	18	4
Fair Value, Total	3,572	771
Gross Unrealized Losses, Total	266	15
Non-U.S. governments
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Fair Value, Less than 12 Months	7,062	4,644
Gross Unrealized Losses, Less than 12 Months	377	115
Fair Value, 12 Months or More	1,915	1,324
Gross Unrealized Losses, 12 Months or More	294	132
Fair Value, Total	8,977	5,968
Gross Unrealized Losses, Total	671	247
Corporate debt
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Fair Value, Less than 12 Months	77,592	31,914
Gross Unrealized Losses, Less than 12 Months	5,689	720
Fair Value, 12 Months or More	10,362	8,819
Gross Unrealized Losses, 12 Months or More	1,531	467
Fair Value, Total	87,954	40,733
Gross Unrealized Losses, Total	7,220	1,187
Residential mortgage-backed securities (RMBS)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Fair Value, Less than 12 Months	9,499	5,362
Gross Unrealized Losses, Less than 12 Months	475	102
Fair Value, 12 Months or More	1,650	1,154
Gross Unrealized Losses, 12 Months or More	137	46
Fair Value, Total	11,149	6,516
Gross Unrealized Losses, Total	612	148
Commercial mortgage-backed securities (CMBS)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Fair Value, Less than 12 Months	9,615	3,980
Gross Unrealized Losses, Less than 12 Months	423	63
Fair Value, 12 Months or More	220	153
Gross Unrealized Losses, 12 Months or More	28	16
Fair Value, Total	9,835	4,133
Gross Unrealized Losses, Total	451	79
Collateralized Debt Obligations/Asset-Backed Securities (CDO/ABS)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Fair Value, Less than 12 Months	15,337	8,263
Gross Unrealized Losses, Less than 12 Months	512	112
Fair Value, 12 Months or More	394	339
Gross Unrealized Losses, 12 Months or More	22	11
Fair Value, Total	15,731	8,602
Gross Unrealized Losses, Total	$ 534	$ 123