The amount of cash balances held at banks.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The non-current portion of non-current borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard
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- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 112
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- Definition

Advance period for financing debt maturities

+ References

No definition available.

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- Definition

The fair market value of borrowings of the entity.

+ References

No definition available.

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- Definition

Percentage of incremental interest rate payable on the borrowings, in the event that the Group is downgraded to BB+ or below (sub-investment grade).

+ References

No definition available.

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- Definition

Period within which the borrowings may be called for redemption by investors, if the Group's debt is downgraded below investment grade, or if the rating is withdrawn.

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No definition available.

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Amount of combined headroom available with the entity as of the balance sheet date.

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No definition available.

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- Definition

The (decrease) increase in interest payable as a result of movement in a designated risk component that was reasonably possible at the end of the reporting period. Excludes defined benefit plan obligations.

+ References

No definition available.

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- Definition

The constitution of foreign currencies as a percentage of the entity's operating profit.

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No definition available.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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No definition available.

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The impact on income statement as a result of an increase in a designated risk component that was reasonably possible at the end of the reporting period. Excludes defined benefit plan obligations.

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No definition available.

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The increase (decrease) in market value of bond liabilities as a result of an increase in a designated risk component that was reasonably possible at the end of the reporting period. Excludes defined benefit plan obligations.

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No definition available.

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The increase (decrease) in operating profit as a result of movement in a designated risk component that was reasonably possible at the end of the reporting period. Excludes defined benefit plan obligations.

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No definition available.

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Increase (decrease) in other comprehensive income due to reasonably possible movement in risk assumption

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No definition available.

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Increase (decrease) in other comprehensive income due to reasonably possible movement in risk assumption, offsetting impact of net investment hedging

+ References

No definition available.

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- Definition

Minimum period forward for which the estimated future interest rate exposures are to be fixed by the entity.

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No definition available.

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Minimum period from which the Treasury Committee of the entity, manages financing requirements and associated headroom.

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No definition available.

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Percentage of estimated future interest rate exposures (excluding pensions) to be fixed by the entity for a minimum period of 12 months forward.

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No definition available.

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- Definition

The reasonably possible percentage of the movement in the designated risk component used to determine the value of the financial instrument. Excludes defined benefit plan obligations.

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No definition available.

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- Definition

The percentage of the entity's net debt.

+ References

No definition available.

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- Definition

The percentage of notional amount of term loan hedged during the year.

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No definition available.

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- Definition

Amount of headroom of unrestricted cash and available committed facilities as required by the entity's policy.

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No definition available.

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- Definition

Threshold amount of foreign currencies exposure that is covered by foreign exchange derivatives by the entity.

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No definition available.

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- Definition

Amount of unrestricted cash held by the entity.

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No definition available.

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Financial risk management (Details) € in Millions, £ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 GBP (£)	Dec. 31, 2022 GBP (£)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 EUR (€)
Financial risk management
Book value	£ 3,153	£ 3,574
Bond debt
Financial risk management
Fair market value	2,959	2,826
Book value	2,943	2,987
$700m term loan
Financial risk management
Notional amount of debt \| $			$ 700
Liquidity Risk
Financial risk management
Required headroom of unrestricted cash and available committed facilities	£ 600
Minimum period for which Treasury Committee manages financing requirements and associated headroom	12 months
Unrestricted cash	£ 818
Combined headroom	£ 1,603	1,694
Advance period for financing debt maturities	12 months
Liquidity Risk \| Revolving credit facility
Financial risk management
Available commitments	£ 785		$ 1,000
Liquidity Risk \| Bond debt \| Less than 1 year
Financial risk management
Notional amount of debt \| €				€ 400
Liquidity Risk \| €400m bond, €500m bond, €600m bond
Financial risk management
Increase in coupon payable percentage, in the event that the Group is downgraded to BB+ or below	1.25%
Period for redemption of bonds	120 days
Credit risk \| Below A-
Financial risk management
Balances with banks	£ 16	36
Credit risk \| Below A- \| Single bank
Financial risk management
Balances with banks	£ 1	£ 14
Foreign exchange risk
Financial risk management
Foreign currencies as a percentage of Group's operating profit	110.00%
Threshold amount of foreign currencies exposure covered by foreign exchange derivatives	£ 10
Percentage of movement in risk assumption	10.00%		10.00%	10.00%
Foreign exchange risk \| US dollar
Financial risk management
Foreign currencies as a percentage of Group's operating profit	62.00%
Percentage of net debt	74.00%	66.00%
Percentage of movement in risk assumption	10.00%		10.00%	10.00%
Increase (decrease) in operating profit due to reasonably possible movement in risk assumption	£ 35	£ 25
Decrease (increase) in interest payable due to reasonably possible movement in risk assumption	12	3
Increase (decrease) in other comprehensive income due to reasonably possible movement in risk assumption	349	377
Increase (decrease) in other comprehensive income due to reasonably possible movement in risk assumption, offsetting impact of net investment hedging	£ 182	£ 210
Foreign exchange risk \| Euro
Financial risk management
Foreign currencies as a percentage of Group's operating profit	29.00%
Percentage of net debt	28.00%	23.00%
Percentage of movement in risk assumption	10.00%		10.00%	10.00%
Increase (decrease) in operating profit due to reasonably possible movement in risk assumption	£ 16	£ 15
Decrease (increase) in interest payable due to reasonably possible movement in risk assumption	5	3
Increase (decrease) in other comprehensive income due to reasonably possible movement in risk assumption	17	0
Increase (decrease) in other comprehensive income due to reasonably possible movement in risk assumption, offsetting impact of net investment hedging	£ 27	£ 46
Foreign exchange risk \| Other currencies
Financial risk management
Percentage of net debt	(2.00%)	11.00%
Interest rate risk
Financial risk management
Percentage of estimated future interest rate exposures (excluding pensions) to be fixed	50.00%
Minimum period for which estimated future interest rate exposures are to be fixed	12 months
Interest rate risk \| US dollar
Financial risk management
Percentage of movement in risk assumption	1.00%		1.00%	1.00%
Income statement impact due to reasonably possible increase in designated risk component	£ 6	£ 6
Interest rate risk \| Euro
Financial risk management
Percentage of movement in risk assumption	1.00%		1.00%	1.00%
Increase (decrease) in market value of the Group's bond liabilities due to reasonably possible increase in designated risk component	£ (86)	(128)
Income statement impact due to reasonably possible increase in designated risk component	£ 0
Interest rate risk \| Pound sterling
Financial risk management
Percentage of movement in risk assumption	1.00%		1.00%	1.00%
Increase (decrease) in market value of the Group's bond liabilities due to reasonably possible increase in designated risk component	£ (26)	(34)
Income statement impact due to reasonably possible increase in designated risk component	0	0
Interest rate risk \| Bond debt
Financial risk management
Fair market value	2,959	2,826
Book value	£ 2,943	£ 2,987
Interest rate risk \| $700m term loan \| US dollar
Financial risk management
Percentage of term loan hedged	50.00%	0.00%