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SUBSEQUENT EVENTS (Details) - Corporate bonds
$ in Millions
Jan. 21, 2020
USD ($)
Issuance of corporate bonds on international markets  
SUBSEQUENT EVENTS  
Bonds issued $ 300
Term of bonds 30 years
Borrowings, interest rate 3.95%
Hedging of bonds issued as Derivatives  
SUBSEQUENT EVENTS  
Percentage of Bonds issued Hedged as Derivatives 100.00%