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BORROWINGS Part 3 (Details) Fair Value - USD ($)
$ in Millions
Sep. 30, 2015
Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term borrowings $ 7,029 $ 7,248
Fair Value, Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Borrowings, Fair Value 7,146 7,557
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Borrowings, Fair Value 6,176 6,366
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Borrowings, Fair Value 970 1,191
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Borrowings, Fair Value $ 0 $ 0