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BORROWINGS BORROWINGS Part 3 (Details) Fair Value - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Debt Disclosure [Abstract]    
Long-term borrowings $ 6,311 $ 6,577
Fair Value, Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Borrowings, Fair Value 6,586 6,647
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Borrowings, Fair Value 6,036 6,094
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Borrowings, Fair Value 550 553
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Borrowings, Fair Value $ 0 $ 0