XML 166 R143.htm IDEA: XBRL DOCUMENT
v3.19.1

Intangible assets and goodwill (Details 2) | 12 Months Ended
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Dec. 31, 2018
Bottom of range [member] | Copyrights, patents and other industrial property rights, service and operating rights [member] |
Disclosure Of Intangible Assets And Goodwill [Line Items] |
Useful lives or amortisation rates, intangible assets other than goodwill | 1 year
Bottom of range [member] | Brand names [member] |
Disclosure Of Intangible Assets And Goodwill [Line Items] |
Useful lives or amortisation rates, intangible assets other than goodwill | 1 year
Bottom of range [member] | Other Intangible Assets [Member] |
Disclosure Of Intangible Assets And Goodwill [Line Items] |
Useful lives or amortisation rates, intangible assets other than goodwill | Indefinite
Bottom of range [member] | Computer software [member] |
Disclosure Of Intangible Assets And Goodwill [Line Items] |
Useful lives or amortisation rates, intangible assets other than goodwill | 2 years
Bottom of range [member] | Mining Property Water Rights And Rights Of Way Member [Member] |
Disclosure Of Intangible Assets And Goodwill [Line Items] |
Useful lives or amortisation rates, intangible assets other than goodwill | Indefinite
Top of range [member] | Copyrights, patents and other industrial property rights, service and operating rights [member] |
Disclosure Of Intangible Assets And Goodwill [Line Items] |
Useful lives or amortisation rates, intangible assets other than goodwill | 16 years
Top of range [member] | Brand names [member] |
Disclosure Of Intangible Assets And Goodwill [Line Items] |
Useful lives or amortisation rates, intangible assets other than goodwill | 5 years
Top of range [member] | Other Intangible Assets [Member] |
Disclosure Of Intangible Assets And Goodwill [Line Items] |
Useful lives or amortisation rates, intangible assets other than goodwill | Indefinite
Top of range [member] | Computer software [member] |
Disclosure Of Intangible Assets And Goodwill [Line Items] |
Useful lives or amortisation rates, intangible assets other than goodwill | 6 years
Top of range [member] | Mining Property Water Rights And Rights Of Way Member [Member] |
Disclosure Of Intangible Assets And Goodwill [Line Items] |
Useful lives or amortisation rates, intangible assets other than goodwill | Indefinite

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- Definition The useful lives or amortisation rates used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2018-01-01 -Paragraph 118 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2018-03-01&anchor=para_118_a&doctype=Standard -URIDate 2018-03-16 + Details
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- References No definition available. + Details
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