XML 271 R9.htm IDEA: XBRL DOCUMENT
v3.21.1

Revenue | 12 Months Ended
--- | ---
Dec. 31, 2020
Text block [abstract] |
Revenue |
|  |  |  | UNITED STATES DOLLAR |
|  |  |  | 2020 |  |  | 2019 |  |  | 2018 |
1. |  | REVENUE |  |  |  |  |  |  |  |  |  |  |  |
|  | Revenue from contracts with customers |  |  | 3,892.1 |  |  |  | 2,967.1 |  |  |  | 2,577.8 |
|  | - Gold¹ |  |  | 3,748.0 |  |  |  | 2,802.0 |  |  |  | 2,408.6 |
|  | - Copper² |  |  | 144.1 |  |  |  | 165.1 |  |  |  | 169.2 |
|  | Disclosure of disaggregated revenue from contracts with customers |  |  |  |  |  |  |  |  |  |  |  |
|  | The Group generates revenue primarily from the sale of gold bullion and copper concentrate to refineries and banks. All revenue from contracts with customers is recognised at a point in time. The Group also produces silver which is an insignificant by-product. |  |  |  |  |  |  |  |  |  |  |  |
|  | The disaggregation of revenue from contracts with customers by primary geographical market and product is described in the segment note (note 41). |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Text block [abstract] + References No definition available. + Details
Name: | gfi_TextBlockAbstract
Namespace Prefix: | gfi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for revenue. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_10_e&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_DisclosureOfRevenueExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration