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v3.22.4

Basis of preparation - Narrative (Details) $ in Millions | 6 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) € / £ $ / £ | Dec. 31, 2021 € / £ $ / £ | Jun. 30, 2022 € / £ $ / £
Euro |  |  |
Disclosure of foreign exchange rates [Line Items] |  |  |
Weighted average exchange rate used in the translation of income statements | € / £ | 1.16 | 1.17 |
Exchange rates used to translate assets and liabilities | € / £ | 1.13 | 1.19 | 1.16
US Dollar |  |  |
Disclosure of foreign exchange rates [Line Items] |  |  |
Weighted average exchange rate used in the translation of income statements | $ / £ | 1.18 | 1.36 |
Exchange rates used to translate assets and liabilities | $ / £ | 1.2 | 1.35 | 1.21
US Dollar | US Shelf Programme |  |  |
Disclosure of foreign exchange rates [Line Items] |  |  |
Notional amount bonds | $ | $ 2,000 |  |

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