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Bank overdrafts, bonds and bank loans - Corporate Bonds and Bank Loans Amounts Falling Due After More Than One Year (Detail) - GBP (£)
£ in Millions
Dec. 31, 2019
Dec. 31, 2018
Disclosure of bank overdraft bonds and bank loans [abstract]    
Non-current portion of non-current borrowings £ 4,047.3 £ 5,634.8