The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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SIGNIFICANT ACCOUNTING POLICIES (Details 5) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Other intangible assets
Weighted-average useful life of other amortizable assets	14 years	14 years
Total amortization expense related to other intangible assets	$ 305us-gaap_AmortizationOfIntangibleAssets	$ 293us-gaap_AmortizationOfIntangibleAssets	$ 237us-gaap_AmortizationOfIntangibleAssets
Future estimated amortization expense related to amortizable other identifiable intangible assets
2015	299
2016	295
2017	292
2018	286
2019	$ 273
Customer relationships
Other intangible assets
Weighted-average useful life of other amortizable assets	14 years
Trademarks
Other intangible assets
Weighted-average useful life of other amortizable assets	14 years
Patents
Other intangible assets
Weighted-average useful life of other amortizable assets	14 years
Other technology
Other intangible assets
Weighted-average useful life of other amortizable assets	8 years