XML 137 R56.htm IDEA: XBRL DOCUMENT
v3.20.4

GENERAL AND ADMINISTRATIVE EXPENSES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
General and Administrative Expenses [Abstract] |
General and administrative expenses |
For the years ended December 31 | 2020 | 2019
Corporate administration 1 | $118 |  | $148 |
Share-based compensation | 67 |  | 37 |
Tanzania 2 | — |  | 27 |
Total 3 | $185 |  | $212 |
1 Includes $1 million (2019: $18 million) related to one-time severance payments. 2 Formerly known as Acacia Mining plc. 3 Includes employee costs of $128 million (2019: $131 million).

X
- Definition Disclosure of detailed information about general and administrative expenses [Table Text Block] + References No definition available. + Details
Name: | abx_DisclosureofdetailedinformationaboutgeneralandadministrativeexpensesTableTextBlock
Namespace Prefix: | abx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition General and Administrative Expenses [Abstract] + References No definition available. + Details
Name: | abx_GeneralandAdministrativeExpensesAbstract
Namespace Prefix: | abx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration