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Additional disclosure items G.4. Non-cash investing and financing activity (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Additional information [abstract] |  |  |
Acquisition of property, plant and equipment, including finance leases | $ (66,000) | $ (174,000) | $ 34,000
Asset retirement obligations | 15,000 | (20,000) | (17,000)
Acquisition of subsidiaries, joint ventures and associates, net of cash acquired | 30,000 | 0 | 0
Finance leases | (43,000) | 192,000 | 1,000
Share based compensation | $ 22,387 | $ 22,000 | $ 14,000

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- References No definition available. + Details
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- Definition The increase in liabilities arising from financing activities resulting from new leases. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Section A Statement of cash flows for an entity other than a financial institution -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=sect_AStatementofcashflowsforanentityotherthanafinancialinstitution&doctype=Illustrative%20Examples -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 44B -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_44B&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition Non-cash Acquisition Of Subsidiaries, Joint Ventures And Associates, Net Of Cash Acquired + References No definition available. + Details
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- Definition Non-cash Acquisition of Property, Plant and Equipment + References No definition available. + Details
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- Definition Non-cash Increase (Decrease) in Provision for Decommissioning, Restoration and Rehabilitation Costs + References No definition available. + Details
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- Definition Share-Based Compensation Expense, Financing Activities + References No definition available. + Details
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