Financial Instruments - Summary of Income from Financial Assets (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Income, expense, gains or losses of financial instruments [abstract] | |||
| Interest income on financial assets carried at amortized cost | $ 184 | $ 180 | $ 128 |
| Interest income on financial assets fair valued through other comprehensive income | 121 | 124 | 122 |
| Gain / (loss) on investments carried at fair value through profit or loss | 33 | 34 | 34 |
| Gain / (loss) on investments carried at fair value through other comprehensive income | 2 | ||
| Gain / (loss) on investments carried at amortized cost | 9 | ||
| Income from financial assets | $ 349 | $ 338 | $ 284 |
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- Definition The gains (losses) on financial assets measured at amortised cost. [Refer: Financial assets at amortised cost] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The gains (losses) on financial assets at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The gains (losses) recognised in other comprehensive income on financial assets measured at fair value through other comprehensive income applying paragraph 4.1.2A of IFRS 9, before tax, before reclassification adjustments. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Income from financial assets. No definition available.
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