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Revolving Credit Facility (Details)
£ in Millions
Feb. 09, 2023
GBP (£)
renewalOption
Oct. 12, 2019
GBP (£)
Multicurrency revolving credit facility    
Disclosure of detailed information about borrowings [line items]    
Notional amount £ 350  
Multicurrency revolving credit facility, maturity october 2024    
Disclosure of detailed information about borrowings [line items]    
Notional amount   £ 200
Uncommitted accordion options    
Disclosure of detailed information about borrowings [line items]    
Notional amount £ 150  
Number of renewal options | renewalOption 2  
Renewal term 1 year