Derivative Instruments and Hedging Activities (Notional Amounts) (Details) € in Millions, £ in Millions, $ in Millions |
Jul. 31, 2026
EUR (€)
|
Jul. 31, 2026
GBP (£)
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Jul. 31, 2026
USD ($)
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Apr. 30, 2026
EUR (€)
|
Apr. 30, 2026
GBP (£)
|
Apr. 30, 2026
USD ($)
|
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| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||||||||
| Derivative, Notional Amount | € 300 | $ 341 | ||||||||
| Net Investment Hedging [Member] | Designated as Hedging Instrument [Member] | ||||||||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||||||||
| Debt Instrument, Face Amount | [1] | 403 | $ 538 | |||||||
| Net Investment Hedging [Member] | Designated as Hedging Instrument [Member] | United Kingdom, Pounds | ||||||||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||||||||
| Debt Instrument, Face Amount | £ 299 | 403 | € 115 | £ 299 | 404 | |||||
| Net Investment Hedging [Member] | Designated as Hedging Instrument [Member] | Euro Member Countries, Euro | ||||||||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||||||||
| Debt Instrument, Face Amount | 134 | |||||||||
| Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument, Economic Hedge | ||||||||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||||||||
| Derivative, Notional Amount | 291 | 69 | ||||||||
| Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | ||||||||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||||||||
| Derivative, Notional Amount | 520 | 517 | ||||||||
| Foreign Exchange Contract [Member] | Net Investment Hedging [Member] | ||||||||||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||||||||
| Derivative, Notional Amount | [2] | $ 131 | $ 0 | |||||||
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