FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES 2 (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term receivables	$ 297	$ 297
Long-term debt and related current maturities	6,965	6,985
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term receivables	292	293
Long-term debt and related current maturities	$ 7,813	$ 7,817