Segment Information - Summary of Operating Results of Reportable Segments (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disclosure of operating segments [abstract]
Fair value adjustments on acquired deferred revenue	$ 10	$ 2	$ 20	$ 6

The increase (decrease) in contract liabilities resulting from cumulative catch-up adjustments to revenue. [Refer: Contract liabilities; Revenue from contracts with customers]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 15
-IssueDate 2024-01-01
-Paragraph 118
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2024-en-r&anchor=para_118_b&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_IncreaseDecreaseThroughCumulativeCatchupAdjustmentsToRevenueContractLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration