FAIR VALUE MEASUREMENTS (Details - Net realized and unrealized gains and losses included in income related to Level 3 assets and liabilities) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	$ 351	$ 385	$ 1,024	$ 729
Policyholder contract deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains (losses) included in income, liabilities	(26)	19	(923)	2,250
Policyholder contract deposits | Net investment income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains (losses) included in income, liabilities	0	0	0	0
Policyholder contract deposits | Net realized gains (losses)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains (losses) included in income, liabilities	(26)	19	(923)	2,250
Policyholder contract deposits | Other Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains (losses) included in income, liabilities	0	0	0	0
Derivative liabilities, net
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains (losses) included in income, liabilities	79	(11)	(45)	(85)
Derivative liabilities, net | Net investment income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains (losses) included in income, liabilities	0	0	0	0
Derivative liabilities, net | Net realized gains (losses)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains (losses) included in income, liabilities	93	5	(2)	(41)
Derivative liabilities, net | Other Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains (losses) included in income, liabilities	(14)	(16)	(43)	(44)
Fortitude Re funds withheld payable
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains (losses) included in income, liabilities	209	656	(117)	1,493
Fortitude Re funds withheld payable | Net investment income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains (losses) included in income, liabilities	0	0	0	0
Fortitude Re funds withheld payable | Net realized gains (losses)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains (losses) included in income, liabilities	209	656	(117)	1,493
Fortitude Re funds withheld payable | Other Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains (losses) included in income, liabilities	0	0	0	0
Bonds available for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	149	170	518	478
Bonds available for sale | Net investment income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	155	177	503	557
Bonds available for sale | Net realized gains (losses)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	(6)	(7)	15	(79)
Bonds available for sale | Other Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	0	0	0	0
Other bond securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	41	141	78	241
Other bond securities | Net investment income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	41	143	78	(25)
Other bond securities | Net realized gains (losses)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	0	(2)	0	266
Other bond securities | Other Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	0	0	0	0
Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	0	0	11	(1)
Equity securities | Net investment income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	0	0	11	0
Equity securities | Net realized gains (losses)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	0	0	0	(1)
Equity securities | Other Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	0	0	0	0
Other invested assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	161	74	417	11
Other invested assets | Net investment income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	165	74	406	11
Other invested assets | Net realized gains (losses)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	(4)	0	11	0
Other invested assets | Other Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net realized and unrealized gains and losses related to Level 3 items, assets	$ 0	$ 0	$ 0	$ 0