Other non-current assets (Details) - GBP (£) £ in Millions |
Mar. 31, 2024 |
Mar. 31, 2023 |
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Disclosure Of Other Non-Current Assets [Line Items] | ||||
Other receivables | £ 458 | £ 496 | ||
Prepayments | 390 | 124 | ||
Other non-current assets | [1] | 848 | 620 | |
Current prepayments | £ (385) | (389) | ||
Increase (decrease) due to voluntary changes in accounting policy | ||||
Disclosure Of Other Non-Current Assets [Line Items] | ||||
Prepayments | 53 | |||
Current prepayments | £ 53 | |||
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