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Assets and liabilities held for sale | 12 Months Ended
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Dec. 31, 2017
Noncurrent Assets Or Disposal Groups Classified As Held For Sale Or As Held For Distribution To Owners [Abstract] |
Assets and liabilities held for sale | 19 Assets and liabilities held for sale As at 31 December 2017, assets and liabilities held for sale includes Rio Tinto's interest in the Dunkerque aluminium smelter (US$355 million) and certain other separate assets. At 31 December 2016, assets and liabilities held for sale included Blair Athol and certain other separate assets.

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- Definition The disclosure of non-current assets or disposal groups classified as held for sale. [Refer: Non-current assets or disposal groups classified as held for sale] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_10_e&doctype=Standard -URIDate 2016-03-31 + Details
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