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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details - Narratives) - USD ($)
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Summary of Significant Accounting Policies [Line Items]    
Retained earnings $ 24,062,000,000 $ 23,084,000,000
Accounting standards update us-gaap:AccountingStandardsUpdate201613Member  
Reinsurance recoverables $ 42,200,000,000  
Recoveries of amounts previously written off 0  
Premiums and other receivables, allowance for credit losses $ 210,000,000 178,000,000
Investment Grade    
Summary of Significant Accounting Policies [Line Items]    
Reinsurance recoverables, percent 87.00%  
Investment Grade | General Insurance    
Summary of Significant Accounting Policies [Line Items]    
Reinsurance recoverables, percent 82.00%  
Investment Grade | Life and Retirement    
Summary of Significant Accounting Policies [Line Items]    
Reinsurance recoverables, percent 5.00%  
Non-Investment Grade    
Summary of Significant Accounting Policies [Line Items]    
Reinsurance recoverables, percent 12.00%  
Non-Investment Grade | Captive Insurers    
Summary of Significant Accounting Policies [Line Items]    
Reinsurance recoverables, percent 76.00%  
Non-Investment Grade | Life and Retirement | Maximum    
Summary of Significant Accounting Policies [Line Items]    
Reinsurance recoverables, percent 1.00%  
Not Rated    
Summary of Significant Accounting Policies [Line Items]    
Reinsurance recoverables, percent 1.00%  
Cumulative effect of change in accounting principle    
Summary of Significant Accounting Policies [Line Items]    
Retained earnings   (487,000,000)
Premiums and other receivables, allowance for credit losses   $ 34,000,000