Income Taxes - Schedule of Income Tax Expense (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
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| Income Taxes [Line Items] | |||
| Current taxes | $ 1,435 | $ 1,015 | $ 1,153 |
| Deferred taxes | (150) | 162 | (11) |
| Income tax expense | 1,285 | 1,177 | 1,142 |
| Domestic Countries | |||
| Income Taxes [Line Items] | |||
| Current taxes | 1,089 | 768 | 830 |
| Deferred taxes | (110) | 180 | 54 |
| Foreign Countries | |||
| Income Taxes [Line Items] | |||
| Current taxes | 346 | 247 | 323 |
| Deferred taxes | $ (40) | $ (18) | $ (65) |
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- Definition The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Income Taxes. No definition available.
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