Related Party Transactions - Schedule of List of Other Related Parties (Parenthetical) (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Infosys Foundation | ||
| Disclosure of transactions between related parties [line items] | ||
| CSR contribution | $ 45 | $ 51 |