INCOME TAXES (Details - EFFECTIVE TAX RATE) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income (loss) from continuing operations before income tax expense (benefit)
U.S.									$ 3,825	$ (12)	$ 1,940
Foreign									1,462	269	(474)
Income from continuing operations before income tax expense	$ 1,036	$ 1,260	$ 1,837	$ 1,154	$ (695)	$ (1,527)	$ 1,252	$ 1,227	5,287	257	1,466
Foreign:
Current									267	202	209
Deferred									(12)	(7)	25
U.S.:
Current									278	134	427
Deferred									633	(175)	6,865
Income tax expense									1,166	154	7,526
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									5,336	255	1,476
Amounts attributable to discontinued operations									49	(2)	10
Income from continuing operations before income tax expense	1,036	$ 1,260	$ 1,837	$ 1,154	(695)	$ (1,527)	$ 1,252	$ 1,227	5,287	257	1,466
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									1,120	54	517
Consolidated total amounts									1,167	194	7,532
Amounts attributable to discontinued operations									1	40	6
Income tax expense									1,166	154	7,526
Adjustments:
Tax exempt interest									(25)	(37)	(111)
Uncertain tax positions									258	176	660
Reclassifications from accumulated other comprehensive income									(113)	(72)	(184)
Tax exempt income									65	75	201
Dispositions of Subsidiaries									21	0	17
Tax Attribute Restoration									0	0	0
Non-controlling Interest									(5)	(1)	(7)
Non-deductible transfer pricing charges									15	29	35
Dividends received deduction									(40)	(38)	(90)
Effect of foreign operations									69	44	69
Share-based compensation payments excess tax effect									27	(13)	(40)
State income taxes									13	10	(9)
Impact of Tax Act									0	62	6,687
Global intangible low-taxed income									13	21	0
Other									(134)	(102)	(58)
Effect of discontinued operations									(8)	40	3
Valuation allowance
Continuing operations									$ (44)	$ 21	$ 43
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%	35.00%
Consolidated total amounts (as a percent)									21.90%	76.00%	510.30%
Amounts attributable to discontinued operations (as a percent)									2.00%		60.00%
Adjustments:
Amounts attributable to continuing operations (as a percent)									22.10%	59.90%	513.40%
Tax exempt interest (as a percent)									(0.50%)	(14.50%)	(7.50%)
Uncertain Tax Positions (as a percent)									4.80%	69.00%	44.70%
Reclassification from accumulated other comprehensive income (as a percent)									(2.10%)	(28.20%)	(12.50%)
Dispositions of Subsidiaries (as a percent)									0.40%	0.00%	1.20%
Tax Attribute Restoration (as a percent)									0.00%	0.00%	0.00%
Non-controlling Interest (as a percent)									(0.10%)	(0.40%)	(0.50%)
Non-deductible transfer pricing charges (as a percent)									0.30%	11.40%	2.40%
Dividends received deduction (as a percent)									(0.70%)	(14.80%)	(6.10%)
Effect of foreign operations (as a percent)									1.30%	17.30%	4.70%
Share-based compensation payments excess tax deduction (as a percent)									0.50%	(5.10%)	(2.70%)
State income taxes (as a percent)									0.20%	3.90%	(0.60%)
Impact of Tax Act (as a percent)									0.00%	24.30%	453.00%
Global intangible low-taxed income (as a percent)									0.20%	8.20%	0.00%
Other (as a percent)									(2.50%)	(40.00%)	(3.90%)
Effect of discontinued operations (as a percent)									(0.10%)	15.70%	0.20%
Income Tax (as a percent):
Continuing operations (as a percent)									(0.80%)	8.20%	2.90%
Accounting for Uncertainty in Income Taxes:
Charges related to accrual of income tax interest	96				83				$ 96	$ 83	$ 301
Net charge related to accrual of IRS interest, tax expense reported in uncertain tax positions	207				189				207	189	245
Net charge related to accrual of IRS interest, tax benefit reported in other	(111)				(106)				(111)	(106)	56
Tax charges and related interest from increase in uncertain tax positions from local and state									37
Cumulative effect of change in accounting principle											(8)
Effect of foreign operations and global intangible low-taxes income									82
Unrecognized deferred tax liabilities	$ 110								$ 110
Maximum statutory rate to offset income by non-operating loss	35.00%								35.00%
Accumulated Other Comprehensive Income (Loss) [Member]
Accounting for Uncertainty in Income Taxes:
Cumulative effect of change in accounting principle											(576)
Accumulated Other Comprehensive Income (Loss) [Member] | Accounting Standards Update - Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income
Accounting for Uncertainty in Income Taxes:
Cumulative effect of change in accounting principle					248					248
Retained Earnings [Member]
Accounting for Uncertainty in Income Taxes:
Cumulative effect of change in accounting principle											$ 568
Retained Earnings [Member] | Accounting Standards Update - Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income
Accounting for Uncertainty in Income Taxes:
Cumulative effect of change in accounting principle					$ (248)					(248)
Foreign and state
Accounting for Uncertainty in Income Taxes:
Deferred tax asset valuation allowance recognized									$ (44)	$ 21
Life insurance companies
Accounting for Uncertainty in Income Taxes:
Deferred tax asset valuation allowance allocated to other comprehensive income									$ 290