XML 122 R54.htm IDEA: XBRL DOCUMENT
v3.8.0.1

GENERAL AND ADMINISTRATIVE EXPENSES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
General and Administrative Expenses [Abstract] |
General and administrative expenses |
For the years ended December 31 | 2017 |  | 2016 |
Corporate administration 1 |  | $227 |  |  | $201 |
Operating segment administration | 21 |  | 55 |
Total 2 |  | $248 |  |  | $256 |
1 | Includes $3 million (2016: $9 million) related to one-time severance payments.
2 | Includes employee costs of $98 million (2016: $153 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