Supplemental Cash Flow Information - Details of Income Taxes (Paid) Received (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disclosure Of Income Taxes [Line Items]
Operating activities - continuing operations	$ (42)	$ (42)	$ (159)	$ (150)
Investing activities	7	0	7	0
Total income taxes paid	$ (35)	$ (42)	$ (152)	$ (150)

The cash flows from income taxes paid or refunded.

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- Definition

The cash flows from income taxes paid or refunded, classified as investing activities. [Refer: Income taxes paid (refund)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 7
-IssueDate 2025-01-01
-Paragraph 35
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-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2025-01-01
-Paragraph 14
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_14_f&doctype=Standard
-URIDate 2025-03-27

+ Details

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- Definition

The cash flows from income taxes paid or refunded, classified as operating activities. [Refer: Income taxes paid (refund)]

+ References

+ Details

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- References

No definition available.

+ Details

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