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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2012
Depreciation of Non-Mining Assets |
|  | DEPRECIATION OF NON-MINING ASSETS: Other non-mining assets are recorded at cost and depreciated on a straight-line basis over their expected useful lives as follows:
Vehicles |  | — |  |  | 20.0 | %
Computers |  | — |  |  | 33.3 | %
Furniture and Equipment |  | — |  |  | 10.0 | %

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- Definition Schedule of rates used to depreciate non-mining assets on a straight-line basis over their useful lives. + References No definition available. + Details
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Namespace Prefix: | gfi_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration