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ACCOUNTING POLICIES - Goodwill and Other Intangible Assets (Details)	12 Months Ended
	Dec. 31, 2017
Goodwill and Other Intangible Assets
Assumed annual growth rate of cash flows (as a percent)	2.00%
Period of operation forecasts used in impairment test	5 years
Weighted average cost of capital (as a percent)	8.00%
Minimum
Goodwill and Other Intangible Assets
Discount rate on estimated discounted cash flows (as a percent)	10.00%
Maximum
Goodwill and Other Intangible Assets
Discount rate on estimated discounted cash flows (as a percent)	13.00%

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- Definition

Assumed Annual Growth Rate Of Cash Flows

+ References

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- Definition

Period of the operation forecasts used in impairment test.

+ References

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- Definition

Represents the entity's weighted average cost of capital.

+ References

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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