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SIGNIFICANT ACCOUNTING POLICIES SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions | Jan. 01, 2019 | Dec. 31, 2017
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Prospective Adoption of New Accounting Pronouncements [Line Items] |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  | $ 16
Weighted average lessee's incremental borrowing rate applied to lease liabilities recognised at date of initial application of IFRS 16 | 5.00% |
Property, plant and equipment [member] |  |
Prospective Adoption of New Accounting Pronouncements [Line Items] |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | $ 1,200 |

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- Definition Cumulative Effect of New Accounting Principle in Period of Adoption + References No definition available. + Details
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- Definition [Line Items] for Prospective Adoption of New Accounting Pronouncements [Table] + References No definition available. + Details
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- Definition The weighted average lessee's incremental borrowing rate applied to lease liabilities recognised in the statement of financial position at the date of initial application of IFRS 16. The incremental borrowing rate is the rate of interest that a lessee would have to pay to borrow over a similar term, and with a similar security, the funds necessary to obtain an asset of a similar value to the right-of-use asset in a similar economic environment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2019-01-01 -Name IFRS -Number 16 -IssueDate 2018-01-01 -Paragraph C12 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2018-03-01&anchor=para_C12_a&doctype=Appendix&seq=3 -URIDate 2018-03-16 + Details
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- Details
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