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Major Group Investments - Direct and Indirect - Schedule of Major Group Investments - Direct and Indirect (Detail) - shares | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Abosso Goldfields Limited [member] | Class A Shares [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 49,734,000 | 49,734,000
Group beneficial interest | 90.00% | 90.00%
Abosso Goldfields Limited [member] | Class B Shares [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 4,266,000 | 4,266,000
Group beneficial interest | 90.00% | 90.00%
Agnew Gold Mining Company Proprietary Limited [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 54,924,757 | 54,924,757
Group beneficial interest | 100.00% | 100.00%
Beatrix Mines Limited [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held |  | 96,549,020
Group beneficial interest |  | 100.00%
Beatrix Mining Ventures Limited [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held |  | 9,625,001
Group beneficial interest |  | 100.00%
Darlot Mining Company Pty Ltd [Member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 1 | 1
Group beneficial interest | 100.00% | 100.00%
Driefontein Consolidated (Pty) Ltd [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held |  | 1,000
Group beneficial interest |  | 100.00%
GFI Joint Venture Holdings (Proprietary) Limited [Member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 311,668,564 | 311,668,564
Group beneficial interest | 100.00% | 100.00%
GFL Mining Services Limited [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 235,676,387 | 235,676,387
Group beneficial interest | 100.00% | 100.00%
Gold Fields Ghana Limited [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 900 | 900
Group beneficial interest | 90.00% | 90.00%
Gold Fields Group Services (Pty) Ltd [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 1 | 1
Group beneficial interest | 100.00% | 100.00%
Gold Fields Holdings Company BVI Limited [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 4,084 | 4,084
Group beneficial interest | 100.00% | 100.00%
Gold Fields La Cima SA [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 1,426,050,205 | 1,426,050,205
Group beneficial interest | 99.50% | 99.50%
Gold Fields Operations Limited [Member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 156,279,947 | 156,279,947
Group beneficial interest | 100.00% | 100.00%
Gold Fields Operations Limited [Member] | Class A Shares [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 90,000,000 |
Gold Fields Orogen Holdings (BVI) Ltd [Member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 356 | 356
Group beneficial interest | 100.00% | 100.00%
Gruyere Mining Company Pty Ltd [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 1 | 1
Group beneficial interest | 100.00% | 100.00%
GSM Mining Company Pty Ltd [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 1 | 1
Group beneficial interest | 100.00% | 100.00%
Kloof Gold Mining Company Ltd [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held |  | 138,600,000
Group beneficial interest |  | 100.00%
Newshelf 899 (Pty) Ltd [member] | Class A Shares [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 90,000,000 | 90,000,000
Group beneficial interest | 100.00% | 100.00%
Newshelf 899 (Pty) Ltd [member] | Class B Shares [member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 10,000,000 | 10,000,000
St Ives Gold Mining Company Pty Ltd [Member] |  |
Disclosure of subsidiaries [line items] |  |
Shares held | 281,051,329 | 281,051,329
Group beneficial interest | 100.00% | 100.00%

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