FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES 2 (Details) - Significant Observable Inputs (Level 2) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Carrying Value [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term receivables	$ 271	$ 280
Long-term debt and related current maturities	12,851	12,409
Estimated Fair Value [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term receivables	260	273
Long-term debt and related current maturities	$ 13,661	$ 13,008