Financial Instruments - Summary of Credit Receivable (Details) - USD ($) $ in Millions	Mar. 31, 2024	Mar. 31, 2023
Disclosure of detailed information about financial instruments [abstract]
Trade receivables	$ 3,620	$ 3,094
Unbilled revenues	$ 1,744	$ 2,037

The amount of assets representing income that has been earned but is not yet a receivable, including contract assets. [Refer: Contract assets]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard
-URIDate 2023-03-23

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant