Annual report pursuant to Section 13 and 15(d)

INVESTMENTS (Details 5)

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INVESTMENTS (Details 5) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]    
Available-for-sale securities, within 1 year, cost $ 685  
Available-for-sale securities, within 1 year, fair value 682  
Available-for-sale securities, after 1 years through 5 years, cost 3,871  
Available-for-sale securities, after 1 years through 5 years, fair value 3,948  
Available-for-sale securities, after 5 years through 10 years, cost 106  
Available-for-sale securities, after 5 years through 10 years, fair value 122  
Available-for-sale securities, after 10 years, cost 239  
Available-for-sale securities, after 10 years, fair value 241  
Available-for-Sale Securities    
Debt Securities, Available-for-sale [Line Items]    
Solvency Funds of Insurance Captive $ 1,056 $ 1,159