XML 108 R48.htm IDEA: XBRL DOCUMENT
v3.19.1

ACQUISITIONS AND DIVESTITURES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Business Combinations and Discontinued Operations [Abstract] |
Net cash proceeds on divestiture |
For the year ended December 31 | 2018 |  | 2017 |
Gross cash proceeds on divestiture |  |
Veladero |  | $— |  |  | $990 |
|  | $— |  |  | $990 |

X
- Definition Business Combinations and Discontinued Operations [Abstract] + References No definition available. + Details
Name: | abx_BusinessCombinationsandDiscontinuedOperationsAbstract
Namespace Prefix: | abx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of detailed information on discontinued operations + References No definition available. + Details
Name: | abx_DisclosureOfDetailedInformationOnDiscontinuedOperationsTableTextBlock
Namespace Prefix: | abx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration