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
	Mar. 31, 2020	Mar. 31, 2019
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	$ (105)	$ 317
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	1,171	569
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
Policyholder contract deposits | Net realized capital 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	1,171	569
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
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	(157)	(40)
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
Derivative liabilities, net | Net realized capital 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	(143)	(24)
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)
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	94	228
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	198	242
Bonds available for sale | Net realized capital 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	(104)	(14)
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
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	(194)	89
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	(462)	87
Other bond securities | Net realized capital 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	268	2
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
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	(1)	0
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
Equity securities | Net realized capital 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	(1)	0
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
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	(4)	0
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	(4)	0
Other invested assets | Net realized capital 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
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