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FINANCIAL INSTRUMENTS -Narrative (Details) - USD ($) $ in Millions | Jul. 15, 2019 | Jun. 30, 2019
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Cash and Cash Equivalents Held in Subsidiaries with Restrictions [Member] | Financial assets at amortised cost, category [member] |  |
Disclosure of financial assets [line items] |  |
Restricted cash and cash equivalents |  | $ 407
Newmont Goldcorp [Member] |  |
Disclosure of financial assets [line items] |  |
Exposure to credit risk on loan commitments and financial guarantee contracts |  | $ 600
BNAF Notes Due 2020 [Member] |  |
Disclosure of financial assets [line items] |  |
Repayments of non-current borrowings | $ 248 |
Borrowings, interest rate (as percent) |  | 4.95%

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- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_7&doctype=Standard -URIDate 2018-03-16 + Details
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