INSURANCE LIABILITIES (Details - Liability for Unpaid Losses and Loss Adjustment Expenses) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Jan. 20, 2017
Supplementary Insurance Information, by Segment [Line Items]
Contractual deductible recoverable amount	$ 12,300		$ 12,300
Collateral Held For Deductible Recoverable Amounts	8,500		8,600
Allowance for credit losses for unsecured reinsurance recoverable	14		$ 14
Reconciliation of activity in the Liability for unpaid claims and claims adjustment expense:
Liability for unpaid loss and loss adjustment expenses, beginning of period	79,026	$ 77,720
Reinsurance recoverable, balance at the beginning of the period	(35,213)	(34,431)
Net Liability for unpaid loss and loss adjustment expenses, beginning of period	43,813	43,289
Losses and loss adjustment expenses incurred
Current year	3,882	3,925
Prior years, excluding discount and amortization of deferred gain	(51)	16
Prior years, discount charge (benefit)	4	(18)
Prior years, amortization of deferred gain on retroactive reinsurance	(42)	(72)
Total losses and loss adjustment expenses incurred	3,793	3,851
Losses and loss adjustment expenses paid
Current year	(323)	(328)
Prior years	(3,442)	(3,584)
Total losses and loss adjustment expenses paid	(3,765)	(3,912)
Other changes:
Foreign exchange effect	4	244
Retroactive reinsurance adjustment (net of discount)	17	89
Total other changes	21	333
Net liability for unpaid losses and loss adjustment expenses, end of period	43,862	43,561
Reinsurance recoverable, balance at the end of the period	34,321	35,271
Total, balance at the end of period	78,183	78,832
Change in discount on loss reserves ceded under retroactive reinsurance	39	39
U.S. Commercial long-tail exposures | NICO | Accident Years 2015 and Prior
Other changes:
Discount on retroactive reinsurance	$ 4	$ 17
Risk Transferred - U.S. Commercial long-tail exposures for accident years 2015 and prior, percent				80.00%
Reinsurance Percent Ceded on Paid Losses Percent				80.00%
Ceded to NICO net paid losses in excess				$ 25,000
Ceded to NICO net paid losses in excess, aggregate limit				25,000
NICO's limit of liability under the contract				20,000
Consideration paid, including interest				$ 10,200