XML 138 R90.htm IDEA: XBRL DOCUMENT
v3.8.0.1

SEGMENT INFORMATION - Capital Expenditures (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Disclosure of operating segments [line items] |  |
Capital expenditures | $ 1,382 | $ 1,119
Cash expenditures | 1,396 | 1,126
Decrease in accrued capital expenditures | 14 | 7
Operating segments |  |
Disclosure of operating segments [line items] |  |
Capital expenditures | 1,346 | 1,083
Operating segments | Barrick Nevada |  |
Disclosure of operating segments [line items] |  |
Capital expenditures | 585 | 358
Operating segments | Pueblo Viejo |  |
Disclosure of operating segments [line items] |  |
Capital expenditures | 114 | 101
Operating segments | Lagunas Norte |  |
Disclosure of operating segments [line items] |  |
Capital expenditures | 25 | 56
Operating segments | Veladero |  |
Disclosure of operating segments [line items] |  |
Capital expenditures | 173 | 95
Operating segments | Turquoise Ridge |  |
Disclosure of operating segments [line items] |  |
Capital expenditures | 36 | 32
Operating segments | Acacia |  |
Disclosure of operating segments [line items] |  |
Capital expenditures | 148 | 191
Operating segments | Pascua-Lama |  |
Disclosure of operating segments [line items] |  |
Capital expenditures | 6 | 20
Operating segments | Other |  |
Disclosure of operating segments [line items] |  |
Capital expenditures | 259 | 230
Other items not allocated to segments |  |
Disclosure of operating segments [line items] |  |
Capital expenditures | $ 36 | $ 36

X
- Definition Increase (Decrease) in Accrued Capital Expenditures + References No definition available. + Details
Name: | abx_IncreaseDecreaseinAccruedCapitalExpenditures
Namespace Prefix: | abx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of future capital expenditures that the entity is committed to make. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_CapitalCommitments
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfOperatingSegmentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 16 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_16_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_SegmentConsolidationItemsAxis=ifrs-full_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=abx_BarrickNevadaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=abx_PuebloViejoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=abx_LagunasNorteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=abx_VeladeroMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=abx_TurquoiseRidgeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=abx_AcaciaMiningPLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=abx_PascuaLamaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=ifrs-full_AllOtherSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentConsolidationItemsAxis=ifrs-full_UnallocatedAmountsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |