Acquisition - Schedule of Fair Values and Useful Lives (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
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| 2026 Acquisitions | ||
| Business Combination [Line Items] | ||
| Fair value | $ 33 | |
| 2026 Acquisitions | Customer lists | ||
| Business Combination [Line Items] | ||
| Fair value | $ 31 | |
| Life (years) | 8 years | |
| 2026 Acquisitions | Software | ||
| Business Combination [Line Items] | ||
| Fair value | $ 1 | |
| Life (years) | 7 years | |
| 2026 Acquisitions | Contract related | ||
| Business Combination [Line Items] | ||
| Fair value | $ 1 | |
| Life (years) | 6 years | |
| 2025 Acquisitions | Customer lists | ||
| Business Combination [Line Items] | ||
| Fair value | $ 25 | |
| Life (years) | 15 years | |
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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