Commitment percentage.

No definition available.

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- Definition

Disclosure of significant investments in associates and joint ventures.

+ References

No definition available.

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- Definition

Price per tonne of coal.

+ References

No definition available.

+ Details

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- Definition

The commitments that the entity has relating to its joint ventures as specified in paragraphs B18-B20 of IFRS 12. [Refer: Joint ventures [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2019-01-01
-Paragraph 23
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-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_23_a&doctype=Standard
-URIDate 2019-03-27

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- Definition

The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2019-01-01
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-URIDate 2019-03-27

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- Definition

The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2019-01-01
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- Definition

The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee. [Refer: At cost [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-Paragraph 24
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-URIDate 2019-03-27

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Investments Accounted for Using the Equity Method - Additional Information (Detail) $ in Millions	12 Months Ended
	Jun. 30, 2020 USD ($) $ / Per_tonne	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)
Disclosure of significant investments in associates and joint ventures [line items]
Carrying amount of investments accounted for using the equity method	$ 2,585	$ 2,569	$ 2,473
Impairment loss	$ 494	264	$ 333
Short Term Range [Member]
Disclosure of significant investments in associates and joint ventures [line items]
Price per tonne of coal \| $ / Per_tonne	45
Long Term Range [Member]
Disclosure of significant investments in associates and joint ventures [line items]
Price per tonne of coal \| $ / Per_tonne	65
Carbones del Cerrejon LLC [member]
Disclosure of significant investments in associates and joint ventures [line items]
Carrying amount of investments accounted for using the equity method	$ 776	$ 853
Impairment loss	$ 0
Post tax discount rate	9.50%
BHP Brasil Ltda [member] \| Samarco Mineracao S.A. [member]
Disclosure of significant investments in associates and joint ventures [line items]
Commitment percentage	50.00%	50.00%
Commitments in relation to joint ventures	$ 200	$ 250