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Goodwill - Summary of Goodwill (Detail) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Disclosure of reconciliation of changes in goodwill [line items]
Carrying amount beginning balance	$ 3,995	$ 3,995
Adjustment to purchase price allocation	55
Impairment		(477)
Transfer to assets held for sale	(298)	(197)
Carrying amount ending balance	3,697	3,995
Carrying amount [member]
Disclosure of reconciliation of changes in goodwill [line items]
Carrying amount beginning balance		4,472
Carrying amount ending balance	4,174
Accumulated impairment [member]
Disclosure of reconciliation of changes in goodwill [line items]
Carrying amount beginning balance		$ (477)
Carrying amount ending balance	$ (477)

X

- Definition

The amount of additional goodwill recognised, except goodwill included in a disposal group that, on acquisition, meets the criteria to be classified as held for sale in accordance with IFRS 5. [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 2023-01-01
-Paragraph B67
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-URIDate 2023-03-23

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X

- Definition

The decrease in goodwill due to classification 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 2023-01-01
-Paragraph B67
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B67_d_iv&doctype=Appendix&subtype=B
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- 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.

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- 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 IAS
-Number 36
-IssueDate 2023-01-01
-Paragraph 134
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-URIDate 2023-03-23

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount of impairment loss recognised in profit or loss for goodwill. [Refer: Impairment loss recognised in profit or loss; Goodwill]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
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