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Equity - Summary of Shares Repurchased and Total Consideration Paid for Share Buyback Programme (Detail) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disclosure of reserves within equity [line items]
Number of shares (in shares)	7.6	7.5	10.9
Total	$ 882	$ 812	$ 790
Transaction costs relating to tax reversal	$ 15
2022 programme
Disclosure of reserves within equity [line items]
Total			38
2023 programme
Disclosure of reserves within equity [line items]
Total			$ 752

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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

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- Definition

The decrease in equity through distributions to owners that the entity does not separately disclose in the same statement or note.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 106
-Subparagraph d
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d_iii&doctype=Standard
-URIDate 2025-03-27

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- Definition

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- Definition

Increase decrease through share repurchase programme number of shares.

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