Reconciliation of Basic and Diluted Shares Used in Computing Earnings Per Equity Share - Additional Information (Details) - shares	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Weighted Average Shares And Adjusted Weighted Average Shares [Abstract]
Number of options with anti-dilutive effect	0	0	13,093

Instruments with potential future dilutive effect not included in calculation of diluted earnings per share, share options.

No definition available.

Name:	infy_InstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareShareOptions
Namespace Prefix:	infy_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration