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Share-Based Payments - Summary Movement of Share Options Under the Gold Fields Limited 2012 Share Plan (Detail) | 12 Months Ended
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Dec. 31, 2018 shares | Dec. 31, 2017 shares | Dec. 31, 2016 shares
Gold Fields Limited 2012 Share Plan [member] |  |  |
Disclosure of movements in share options [line items] |  |  |
Outstanding at end of the year | 0 |  |
Performance Shares [Member] | Gold Fields Limited 2012 Share Plan Amended [member] |  |  |
Disclosure of movements in share options [line items] |  |  |
Outstanding at beginning of the year | 0 | 393,178 | 2,446,922
Granted |  | 0 | 393,178
Exercised and released |  | 0 | (2,428,904)
Forfeited |  | (393,178) | (18,018)
Outstanding at end of the year |  | 0 | 393,178
Performance Shares [Member] | Gold Fields Limited 2012 Share Plan [member] |  |  |
Disclosure of movements in share options [line items] |  |  |
Outstanding at beginning of the year | 18,279,130 | 8,138,472 |
Granted | 811,829 | 11,744,152 | 8,196,037
Exercised and released | 0 | (34,827) |
Forfeited | (728,982) | (1,568,667) | (57,565)
Outstanding at end of the year | 18,361,977 | 18,279,130 | 8,138,472

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- Definition Disclosure of the movement of share options under the Gold Fields Limited 2005 and 2012 share plan. + References No definition available. + Details
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- Definition The number of share options outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_d&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_i&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph b -Clause vi -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_vi&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The number of share options exercised in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph b -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_iv&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The number of share options forfeited in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_iii&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The number of share options granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_ii&doctype=Standard -URIDate 2018-03-16 + Details
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