Amortisation expense and other

No definition available.

Name:	abx_AmortisationExpenseAndOther
Namespace Prefix:	abx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amortization and other on current borrowings

+ References

No definition available.

+ Details

Name:	abx_AmortizationAndOtherOnCurrentBorrowings
Namespace Prefix:	abx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Current other debt obligations

+ References

No definition available.

+ Details

Name:	abx_CurrentOtherDebtObligations
Namespace Prefix:	abx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_Borrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	ifrs-full_BorrowingsAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_BorrowingsInterestRate
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of current borrowings and current portion of non-current borrowings. [Refer: Borrowings]

+ References

+ Details

Name:	ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of current lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2024-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_CurrentLeaseLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

+ References

+ Details

Name:	ifrs-full_LeaseLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The non-current portion of non-current borrowings. [Refer: Borrowings]

+ References

+ Details

Name:	ifrs-full_LongtermBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_NotionalAmount
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow from borrowings obtained. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2024-01-01
-Paragraph 17
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_17_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from current borrowings obtained. [Refer: Current borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2024-01-01
-Paragraph 17
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_17&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ProceedsFromCurrentBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from non-current borrowings obtained. [Refer: Borrowings]

+ References

+ Details

Name:	ifrs-full_ProceedsFromNoncurrentBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2024-01-01
-Paragraph 17
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_17_d&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for repayments of current borrowings. [Refer: Current borrowings]

+ References

+ Details

Name:	ifrs-full_RepaymentsOfCurrentBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for repayments of non-current borrowings. [Refer: Borrowings]

+ References

+ Details

Name:	ifrs-full_RepaymentsOfNoncurrentBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_FivePointSevenPercentBNAFNotesDue2041Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_FivePointTwoFivePercentBGCNotesDue2042Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_FivePointEightZeroPercentNotesDue2034Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_SixPointThreeFivePercentNotesDue2036Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_OtherFixedRateNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfLiabilitiesAxis=abx_ShortTermAndLongTermBorrowingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_BNAFNotesDue2038Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_BPADFNotesDue2039Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_CapitalLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_NevadaGoldMinesCapitalLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_LouloGounkotoCapitalLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_VeladeroCapitalLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_LumwanaCapitalLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_HemloCapitalLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_NorthMaraCapitalLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_TongonCapitalLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_OtherDebtObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_FivePointSevenFivePercentBNAFNotesDue2043Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=abx_TotalNotesAndLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

FINANCIAL INSTRUMENTS - Debt and Interest (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	May 02, 2013	Apr. 03, 2012	Jun. 30, 2011	Oct. 16, 2009
Debt and interest
Repayments	$ 0	$ (43)
Current borrowings and current portion of non-current borrowings	(24)	(11)
Non-current portion of non-current borrowings	4,705	4,715
Borrowings details
Current other debt obligations	11	0
5.7% notes
Debt and interest
Borrowings, beginning balance	844	844
Proceeds	0	0
Repayments	0	0
Amortization and other	0	0
Borrowings, ending balance	844	844	$ 844
Borrowings details
Notional amount	850	850				$ 850
Borrowings, interest rate (as percent)						5.70%
5.25% Notes
Debt and interest
Borrowings, beginning balance	373	372
Proceeds	0	0
Repayments	0	0	(375)
Amortization and other	0	1
Borrowings, ending balance	373	373	372
Borrowings details
Notional amount	$ 375	375			$ 750
Borrowings, interest rate (as percent)	5.25%				5.25%
5.80% notes
Debt and interest
Borrowings, beginning balance	$ 396	396
Proceeds	0	0
Repayments	0	0
Amortization and other	1	0
Borrowings, ending balance	397	396	396
Borrowings details
Notional amount	$ 400	400
Borrowings, interest rate (as percent)	5.80%
6.35% notes
Debt and interest
Borrowings, beginning balance	$ 595	595
Proceeds	0	0
Repayments	0	0
Amortization and other	0	0
Borrowings, ending balance	595	595	595
Borrowings details
Notional amount	$ 600	600
Borrowings, interest rate (as percent)	6.35%
Other fixed rate notes [Member]
Debt and interest
Borrowings, beginning balance	$ 1,042	1,083
Proceeds	0	0
Repayments	0	(43)
Amortization and other	0	2
Borrowings, ending balance	1,042	1,042	1,083
Other fixed rate notes [Member] \| Borrowings
Debt and interest
Borrowings, beginning balance	1,100
Borrowings, ending balance	1,100	1,100
BNAF notes due 2038
Debt and interest
Borrowings, beginning balance	250
Borrowings, ending balance	250	250
BPADF notes due 2039 [Member]
Debt and interest
Borrowings, beginning balance	807
Repayments		(43)
Borrowings, ending balance	807	807
Borrowings details
Notional amount							$ 850
Borrowings, interest rate (as percent)							5.95%
Capital leases
Debt and interest
Borrowings, beginning balance	56	70
Proceeds	0	0
Repayments	(14)	(13)
Amortization and other	17	(1)
Borrowings, ending balance	59	56	70
Borrowings details
Current lease liabilities	13	11
Nevada Gold Mines capital leases [Member]
Borrowings details
Lease liabilities	12	13
Loulo-Gounkoto capital leases [Member]
Borrowings details
Lease liabilities	18	20
Veladero capital leases [Member]
Borrowings details
Lease liabilities	2	1
Lumwana capital leases [Member]
Borrowings details
Lease liabilities	1	3
Hemlo capital leases [Member]
Borrowings details
Lease liabilities	9	1
North Mara capital leases
Borrowings details
Lease liabilities	4	0
Tongon capital leases [Member]
Borrowings details
Lease liabilities	5	6
Other debt obligations
Debt and interest
Borrowings, beginning balance	576	578
Proceeds	0	0
Repayments	0	0
Amortization and other	(2)	(2)
Borrowings, ending balance	574	576	578
5.75% Notes
Debt and interest
Borrowings, beginning balance	844	844
Proceeds	0	0
Repayments	0	0
Amortization and other	1	0
Borrowings, ending balance	845	844	844
Borrowings details
Notional amount	850	850		$ 850
Borrowings, interest rate (as percent)				5.75%
Total notes and leases [Member]
Debt and interest
Borrowings, beginning balance	4,726	4,782
Proceeds	0	0
Less: Proceeds from current borrowings	0	0
Proceeds from non-current borrowings	0	0
Repayments	(14)	(56)
Less: Repayments of current borrowings	0	0
Repayments of non-current borrowings	(14)	(56)
Amortization and other	17	0
Borrowings, ending balance	4,729	4,726	4,782
Amortization and other on current borrowings	0	0
Current borrowings and current portion of non-current borrowings	(24)	(11)	(13)
Non-current portion of non-current borrowings	$ 4,705	$ 4,715	$ 4,769