Statement Of Changes In Equity [Abstract]

Associated British Foods PLC - Filing #1802081

Concept	2021-09-19 to 2022-09-17	2021-09-19 to 2022-09-17	2021-09-19 to 2022-09-17	2021-09-19 to 2022-09-17	2021-09-19 to 2022-09-17	2021-09-19 to 2022-09-17	2021-09-19 to 2022-09-17	2021-09-19 to 2022-09-17	2020-09-13 to 2021-09-18	2020-09-13 to 2021-09-18	2020-09-13 to 2021-09-18	2020-09-13 to 2021-09-18	2020-09-13 to 2021-09-18	2020-09-13 to 2021-09-18	2020-09-13 to 2021-09-18	2020-09-13 to 2021-09-18
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Dividends recognised as distributions to owners of parent	– GBP	– GBP	380,000,000 GBP	380,000,000 GBP	– GBP	380,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	49,000,000 GBP	49,000,000 GBP	– GBP	49,000,000 GBP
Dividends recognised as distributions to non-controlling interests	– GBP	– GBP	– GBP	– GBP	8,000,000 GBP	8,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	4,000,000 GBP	4,000,000 GBP
Decrease (increase) through tax on share-based payment transactions, equity	– GBP	– GBP	1,000,000 GBP	1,000,000 GBP	– GBP	1,000,000 GBP	– GBP	– GBP	—	—	—	—	—	—	—	—
Increase (decrease) through transactions with owners, equity	– GBP	– GBP	412,000,000 GBP	412,000,000 GBP	8,000,000 GBP	420,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	38,000,000 GBP	38,000,000 GBP	21,000,000 GBP	59,000,000 GBP
Sale or issue of treasury shares	– GBP	– GBP	31,000,000 GBP	31,000,000 GBP	– GBP	31,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	17,000,000 GBP	17,000,000 GBP	– GBP	17,000,000 GBP