Statement Of Financial Position [Abstract]

Bunzl PLC - Filing #1583242

Concept	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	120,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	122,700,000 GBP	—	—	—	—	—	—	—	—	—	—
Right-of-use assets	—	—	448,300,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	453,400,000 GBP	—	—	—	—	—	—	—	—	—	—
Current tax assets	—	—	8,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	6,600,000 GBP	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	2,800,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	2,500,000 GBP	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	776,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	944,300,000 GBP	—	—	—	—	—	—	—	—	—	—
Assets	—	—	7,114,100,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	6,829,400,000 GBP	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	108,400,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	108,300,000 GBP	—	—	—	—	—	—	—	—	—	—
Retained earnings	—	—	2,151,500,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	1,799,700,000 GBP	—	—	—	—	—	—	—	—	—	—
Share premium	—	—	194,200,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	187,700,000 GBP	—	—	—	—	—	—	—	—	—	—
Other reserves	—	—	19,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	14,300,000 GBP	—	—	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	2,203,900,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	1,919,100,000 GBP	—	—	—	—	—	—	—	—	—	—
Equity	2,204,400,000 GBP	16,100,000 GBP	2,203,900,000 GBP	400,000 GBP	52,900,000 GBP	2,500,000 GBP	194,200,000 GBP	269,200,000 GBP	108,400,000 GBP	1,873,100,000 GBP	4,300,000 GBP	108,300,000 GBP	2,500,000 GBP	190,900,000 GBP	73,400,000 GBP	187,700,000 GBP	1,919,100,000 GBP	16,100,000 GBP	111,800,000 GBP	69,900,000 GBP	184,000,000 GBP	1,744,300,000 GBP	2,500,000 GBP	1,617,500,000 GBP	16,100,000 GBP	2,400,000 GBP	108,300,000 GBP
Liabilities [abstract]
Deferred tax liabilities	—	—	151,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	105,100,000 GBP	—	—	—	—	—	—	—	—	—	—
Liabilities	—	—	4,910,200,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	4,910,300,000 GBP	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	7,114,100,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	6,829,400,000 GBP	—	—	—	—	—	—	—	—	—	—