XML 173 R166.htm IDEA: XBRL DOCUMENT
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Provisions - Additional Information (Detail) R / shares in Units, shares in Millions, R in Millions, $ in Millions | 6 Months Ended | 12 Months Ended |  |
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Dec. 31, 2010 ZAR (R) R / shares shares | Dec. 31, 2017 USD ($) | Dec. 31, 2017 ZAR (R) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | [1] | Dec. 31, 2017 ZAR (R) | Jun. 30, 2017 USD ($)
Disclosure of Provisions [Line Items] |  |  |  |  |  |  |  |
Class B Ordinary Shares issued / South Deep BEE Transaction | shares | 10 |  |  |  |  |  |  |
Preferred BEE dividend portion of the South Deep transaction | R 151.4 |  |  |  |  |  |  |
Equity components | R 673.4 |  |  |  |  |  |  |
Dividends paid related to south deep BEE dividend |  | $ 1.5 | R 20.0 | $ 1.3 | [1] | $ 1.7 |  |
Current portion of BEE Dividend |  | 1.6 |  | 1.4 |  |  | R 20.0 |
Provisions | $ |  | 31.9 |  | $ 0.0 |  |  |  |
Silicosis [Member] |  |  |  |  |  |  |  |
Disclosure of Provisions [Line Items] |  |  |  |  |  |  |  |
Provisions |  | 31.9 | R 401.6 |  |  |  |  |
Nominal amount of provision |  | $ 40.5 |  |  |  |  | R 509.0 | $ 40.5
Silicosis [Member] | Government bonds [member] |  |  |  |  |  |  |  |
Disclosure of Provisions [Line Items] |  |  |  |  |  |  |  |
Discount rate on government bonds |  | 8.24% |  |  |  |  | 8.24% |
Class B Ordinary Shares Tranche One [Member] |  |  |  |  |  |  |  |
Disclosure of Provisions [Line Items] |  |  |  |  |  |  |  |
Percentage of class B Ordinary Shares issued / South Deep BEE Transaction | 10.00% |  |  |  |  |  |  |
Dividends per share | R / shares | R 2 |  |  |  |  |  |  |
Period of conversion for one third Class B Ordinary Shares / South Deep BEE Transaction | 10 years |  |  |  |  |  |  |
Class B Ordinary Shares Tranche Two [Member] |  |  |  |  |  |  |  |
Disclosure of Provisions [Line Items] |  |  |  |  |  |  |  |
Period of conversion of Class B Ordinary Shares to Class A / South Deep BEE Transaction | 20 years |  |  |  |  |  |  |
[1] | The restatement is as a result of the discontinued operations.

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- Definition The preferred BEE dividend portion of the South Deep Black Economic transaction classified as a liability. + References No definition available. + Details
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Balance Type: | credit
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- Definition The number of Class B shares issued under the South Deep BEE transaction. + References No definition available. + Details
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- Definition The amount of current provision for black economic dividend transaction. + References No definition available. + Details
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- Definition Dividends paid related to South Deep BEE dividend. + References No definition available. + Details
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- Definition The equity component of the South Deep Black Economic transaction classified as equity. + References No definition available. + Details
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- Definition Nominal amount noncurrent provisions + References No definition available. + Details
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- Definition Percentage of class B ordinary shares issued south deep bee transaction. + References No definition available. + Details
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- Definition Period of conversion for one third Class B Ordinary Shares under South Deep BEE Transaction. + References No definition available. + Details
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- Definition Period of conversion of Class B Ordinary Shares to Class A Under South Deep BEE Transaction. + References No definition available. + Details
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- Definition The amount of dividends paid per ordinary share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 34 -IssueDate 2017-01-01 -Paragraph 16A -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=34&date=2017-03-01&anchor=para_16A_f&doctype=Standard -URIDate 2017-03-09 + Details
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