XML 186 R118.htm IDEA: XBRL DOCUMENT
v3.8.0.1

GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($)
Reconciliation of changes in goodwill [abstract] |
Goodwill, beginning balance | $ 1,371
Disposals | (41)
Goodwill, ending balance | 1,330
Barrick Nevada |
Reconciliation of changes in goodwill [abstract] |
Goodwill, beginning balance | 514
Disposals | 0
Goodwill, ending balance | 514
Veladero |
Reconciliation of changes in goodwill [abstract] |
Goodwill, beginning balance | 195
Disposals | (41)
Goodwill, ending balance | 154
Turquoise Ridge |
Reconciliation of changes in goodwill [abstract] |
Goodwill, beginning balance | 528
Disposals | 0
Goodwill, ending balance | 528
Hemlo |
Reconciliation of changes in goodwill [abstract] |
Goodwill, beginning balance | 63
Disposals | 0
Goodwill, ending balance | 63
Kalgoorlie |
Reconciliation of changes in goodwill [abstract] |
Goodwill, beginning balance | 71
Disposals | 0
Goodwill, ending balance | $ 71

X
- Definition The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2017-01-01 -Paragraph B67 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2017-03-01&anchor=para_B67_d&doctype=Appendix&seq=2 -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2017-01-01 -Paragraph 134 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2017-03-01&anchor=para_134_a&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2017-01-01 -Paragraph 135 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2017-03-01&anchor=para_135_a&doctype=Standard -URIDate 2017-03-09 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_c&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_Goodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of goodwill derecognised without having previously been included in a disposal group classified as held for sale. [Refer: Goodwill; Disposal groups classified as held for sale [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2017-01-01 -Paragraph B67 -Subparagraph d -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2017-03-01&anchor=para_B67_d_iv&doctype=Appendix&seq=2 -URIDate 2017-03-09 + Details
Name: | ifrs-full_GoodwillDerecognisedWithoutHavingPreviouslyBeenIncludedInDisposalGroupClassifiedAsHeldForSale
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_ReconciliationOfChangesInGoodwillAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

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

X
- Details
Name: | abx_NameofPropertyAxis=abx_HemloMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | abx_NameofPropertyAxis=abx_KalgoorlieMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |