XML 107 R94.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Goodwill - Additional Information (Detail) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2014 USD ($) | Dec. 31, 2013 | Dec. 31, 2014 South Africa Rand | Dec. 31, 2013 South Africa Rand | Dec. 31, 2014 U.S. Dollar | Dec. 31, 2013 U.S. Dollar
Goodwill [Line Items] |  |  |  |  |  |
Impairment to the goodwill | $ 0 us-gaap_GoodwillImpairmentLoss |  |  |  |  |
Long-term gold price |  |  | 420,000 gfi_LongTermGoldPrice / us-gaap_CurrencyAxis = currency_ZAR | 400,000 gfi_LongTermGoldPrice / us-gaap_CurrencyAxis = currency_ZAR | 1,300 gfi_LongTermGoldPrice / us-gaap_CurrencyAxis = currency_USD | 1,300 gfi_LongTermGoldPrice / us-gaap_CurrencyAxis = currency_USD
Life of mine (in years) | 72 years | 73 years |  |  |  |
Nominal discount rate - lower limit | 12.90%gfi_DiscountRateUsedInGoodwillImpairmentTestingLowerLimit | 10.90%gfi_DiscountRateUsedInGoodwillImpairmentTestingLowerLimit |  |  |  |
Nominal discount rate - upper limit | 14.10%gfi_DiscountRateUsedInGoodwillImpairmentTestingUpperLimit | 12.30%gfi_DiscountRateUsedInGoodwillImpairmentTestingUpperLimit |  |  |  |
Market value for resource with infrastructure | 63.7 gfi_MarketValueForResourceInfrastructure | 50.0 gfi_MarketValueForResourceInfrastructure |  |  |  |

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- Definition Discount Rate Used in Goodwill Impairment Testing, Lower Limit + References No definition available. + Details
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- Definition Discount Rate Used in Goodwill Impairment Testing, Upper Limit + References No definition available. + Details
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- Definition Long-term gold price used in the life of mine calculations. + References No definition available. + Details
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- Definition Market value for resource with infrastructure. + References No definition available. + Details
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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