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SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions	Jan. 01, 2018	Dec. 31, 2017
Prospective Adoption of New Accounting Pronouncements [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption		$ 16
Assets [member]
Prospective Adoption of New Accounting Pronouncements [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 25
Liabilities [member]
Prospective Adoption of New Accounting Pronouncements [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption	9
Equity [member]
Prospective Adoption of New Accounting Pronouncements [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 16

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- Definition

[Line Items] for Prospective Adoption of New Accounting Pronouncements [Table]

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