Goodwill And Intangible Assets - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Disclosure Of Intangible Assets [Line Items]
Research and development expense	$ 135	$ 129	$ 124
Panaya
Disclosure Of Intangible Assets [Line Items]
Goodwill pertaining to subsidiaries	$ 117	$ 117

The amount of expenditure directly attributable to research or development activities, recognised in profit or loss.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 38
-IssueDate 2023-01-01
-Paragraph 126
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_126&doctype=Standard
-URIDate 2023-03-23

Name:	ifrs-full_ResearchAndDevelopmentExpense
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration