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USE OF DERIVATIVES, OFFSETTING DISCLOSURES AND CHANGES IN OTHER COMPREHENSIVE INCOME BY COMPONENT - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2017
Dec. 31, 2010
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
SWAP agreement notional amount during period $ 650 $ 3,000 $ 100
SWAP agreement average interest rate during period 1.58% 1.58% 4.09%
Swap agreement notional amount expiring during period $ 400 $ 2,300  
SWAP agreement average interest rate expiring during period 0.74% 0.73%  
Interest Rate Swap Agreements [Member]      
Notional Disclosures [Abstract]      
Payment term of LIBOR interest rate agreement     20 years