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Contingent Liabilities - Summary of Contingent Liabilities (Detail) - USD ($) $ in Millions	Jun. 30, 2021	Jun. 30, 2020
Disclosure of contingent liabilities [line items]
Contingent liabilities	$ 3,147	$ 2,848
Associates and joint ventures [member]
Disclosure of contingent liabilities [line items]
Contingent liabilities	1,532	1,314
Subsidiaries and joint operations [member]
Disclosure of contingent liabilities [line items]
Contingent liabilities	$ 1,615	$ 1,534

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- 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

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- Definition

The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2020-01-01
-Paragraph 86
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_86_a&doctype=Standard
-URIDate 2020-01-01

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- Details

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