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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details - Narratives) - USD ($)
$ in Millions
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Summary of Significant Accounting Policies [Line Items]      
Retained earnings $ 15,847   $ 23,084
Premiums and other receivables, allowance for credit losses $ 212 $ 210 178
Cumulative effect of change in accounting principle      
Summary of Significant Accounting Policies [Line Items]      
Retained earnings     (487)
Premiums and other receivables, allowance for credit losses   $ 0 $ 34