INCOME TAXES (Details - Reconciliation between actual income tax (benefit) expense and statutory U.S. federal amount computed by applying the federal income tax rate) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reconciliation between actual income tax (benefit) expense and statutory U.S. federal amount computed by applying the federal income tax rate, pre-tax income (loss)
Consolidated total amounts	$ (7,288)	$ 5,336	$ 255
Amounts attributable to discontinued operations	5	49	(2)
Income from continuing operations before income tax expense	(7,293)	5,287	257
Reconciliation between actual income tax (benefit) expense and statutory U.S. federal amount computed by applying the federal income tax rate, tax expense/benefit
U.S. federal income tax at statutory rate	(1,531)	1,120	54
Consolidated total amounts	(1,459)	1,167	194
Amounts attributable to discontinued operations	1	1	40
Income tax expense (benefit)	(1,460)	1,166	154
Adjustments:
Tax exempt interest	(19)	(25)	(37)
Uncertain tax positions	165	258	176
Reclassifications from accumulated other comprehensive income	(101)	(113)	(72)
Tax exempt income	58	65	75
Dispositions of Subsidiaries	180	21	0
Non-controlling Interest	(12)	(5)	(1)
Non-deductible transfer pricing charges	11	15	29
Dividends received deduction	(39)	(40)	(38)
Effect of foreign operations	76	82	65
Share-based compensation payments excess tax effect	35	27	(13)
State income taxes	15	13	10
Impact of Tax Act	0	0	62
Expiration of tax attribute carryforwards	221	0	0
Tax audit resolution	(379)	0	0
Other	(16)	(134)	(102)
Effect of discontinued operations	0	(8)	40
Valuation allowance
Continuing operations	$ (65)	$ (44)	$ 21
Reconciliation between actual income tax (benefit) expense and statutory U.S. federal amount computed by applying the federal income tax rate, percentage of pre-tax income (loss)
U.S. federal income tax at statutory rate (as a percent)	21.00%	21.00%	21.00%
Consolidated total amounts (as a percent)	20.00%	21.90%	76.00%
Amounts attributable to discontinued operations (as a percent)	20.00%	2.00%
Adjustments:
Amounts attributable to continuing operations (as a percent)	20.00%	22.10%	59.90%
Tax exempt interest (as a percent)	0.30%	(0.50%)	(14.50%)
Uncertain Tax Positions (as a percent)	(2.30%)	4.80%	69.00%
Reclassification from accumulated other comprehensive income (as a percent)	1.40%	(2.10%)	(28.20%)
Dispositions of Subsidiaries (as a percent)	(2.50%)	0.40%	0.00%
Non-controlling interest (as a percent)	0.20%	(0.10%)	(0.40%)
Non-deductible transfer pricing charges (as a percent)	(0.20%)	0.30%	11.40%
Dividends received deduction (as a percent)	0.50%	(0.70%)	(14.80%)
Effect of foreign operations (as a percent)	(1.00%)	1.50%	25.50%
Share-based compensation payments excess tax deduction (as a percent)	(0.50%)	0.50%	(5.10%)
State income taxes (as a percent)	(0.20%)	0.20%	3.90%
Impact of Tax Act (as a percent)	0.00%	0.00%	24.30%
Tax audit resolution	5.20%	0.00%	0.00%
Expiration of tax attribute carryforward (as a percent)	(3.00%)	0.00%	0.00%
Other (as a percent)	0.20%	(2.50%)	(40.00%)
Effect of discontinued operations (as a percent)	0.00%	(0.10%)	15.70%
Income Tax (as a percent):
Continuing operations (as a percent)	0.90%	(0.80%)	8.20%
Charges related to accrual of income tax interest	$ 67	$ 96	$ 83
Net charge related to accrual of IRS interest, tax expense reported in uncertain tax positions	139	207	189
Net charge related to accrual of IRS interest, tax benefit reported in other	$ 72	(111)	$ (106)
Tax charges and related interest from increase in uncertain tax positions from local and state		$ 37