Statement Of Changes In Equity [Abstract]

Associated British Foods PLC - Filing #1952300

Concept	2022-09-18 to 2023-09-16	2022-09-18 to 2023-09-16	2022-09-18 to 2023-09-16	2022-09-18 to 2023-09-16	2022-09-18 to 2023-09-16	2022-09-18 to 2023-09-16	2022-09-18 to 2023-09-16	2022-09-18 to 2023-09-16	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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Dividends recognised as distributions to owners of parent	345,000,000 GBP	345,000,000 GBP	– GBP	345,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	380,000,000 GBP	380,000,000 GBP	– GBP	380,000,000 GBP	– GBP	– GBP
Dividends recognised as distributions to non-controlling interests	– GBP	– GBP	8,000,000 GBP	8,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	8,000,000 GBP	8,000,000 GBP	– GBP	– GBP
Decrease (increase) through tax on share-based payment transactions, equity	1,000,000 GBP	1,000,000 GBP	– GBP	1,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	1,000,000 GBP	1,000,000 GBP	– GBP	1,000,000 GBP	– GBP	– GBP
Increase (decrease) through transactions with owners, equity	820,000,000 GBP	820,000,000 GBP	8,000,000 GBP	828,000,000 GBP	1,000,000 GBP	1,000,000 GBP	– GBP	– GBP	– GBP	– GBP	412,000,000 GBP	412,000,000 GBP	8,000,000 GBP	420,000,000 GBP	– GBP	– GBP
Purchase of treasury shares	448,000,000 GBP	448,000,000 GBP	– GBP	448,000,000 GBP	1,000,000 GBP	1,000,000 GBP	– GBP	– GBP	—	—	—	—	—	—	—	—
Sale or issue of treasury shares	28,000,000 GBP	28,000,000 GBP	– GBP	28,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	31,000,000 GBP	31,000,000 GBP	– GBP	31,000,000 GBP	– GBP	– GBP