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Financial instruments and risk management - Recon. of financial instruments - Narrative (Details) - GBP (£) £ in Millions	Jun. 30, 2021	Jun. 30, 2020
Disclosure of detailed information about financial instruments [line items]
Borrowings	£ 14,727	£ 16,785
Quoted | Fair value
Disclosure of detailed information about financial instruments [line items]
Borrowings	£ 15,895	£ 18,175

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- Definition

Borrowings before derivative financial instruments.

+ References

No definition available.

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- Definition

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+ References

No definition available.

+ Details

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