Statement Of Changes In Equity [Abstract]

Greggs PLC - Filing #1893637

Concept	As at 2022-12-31	2022-01-02 to 2022-12-31	2022-01-02 to 2022-12-31	2022-01-02 to 2022-12-31	2022-01-02 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-02 to 2022-12-31	As at 2022-01-02	As at 2022-01-02	As at 2022-01-02	As at 2022-01-02	As at 2022-01-02	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	2021-01-03 to 2022-01-01	2021-01-03 to 2022-01-01	2021-01-03 to 2022-01-01	2021-01-03 to 2022-01-01	2021-01-03 to 2022-01-01	As at 2021-01-02	As at 2021-01-02	As at 2021-01-02	As at 2021-01-02	As at 2021-01-02
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	446 .0 GBP	—	—	—	—	2 3 .1 GBP	400,000 GBP	42 0.5 GBP	2,000,000 GBP	—	0 .4 GBP	2,000,000 GBP	20,000,000 GBP	40 6.8 GBP	429. 2 GBP	40 6.8 GBP	20,000,000 GBP	2,000,000 GBP	42 9. 2 GBP	400,000 GBP	—	—	—	—	—	2,000,000 GBP	0 .4 GBP	15,700,000 GBP	32 1.6 GBP	30 3.5 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	120,300,000 GBP	– GBP	– GBP	120,300,000 GBP	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—	—	1 1 7. 5 GBP	1 1 7. 5 GBP	– GBP	– GBP	– GBP	—	—	—	—	—
Other comprehensive income	—	2,500,000 GBP	– GBP	– GBP	2 .5 GBP	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—	—	5 .4 GBP	5 .4 GBP	– GBP	– GBP	– GBP	—	—	—	—	—
Comprehensive income	—	122 .8 GBP	– GBP	– GBP	122 .8 GBP	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—	—	1 22 .9 GBP	12 2.9 GBP	– GBP	– GBP	– GBP	—	—	—	—	—
Issue of equity	—	3 .1 GBP	– GBP	3 .1 GBP	– GBP	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—	—	4,300,000 GBP	– GBP	– GBP	4,300,000 GBP	– GBP	—	—	—	—	—
Dividends recognised as distributions to owners	—	9 8 . 5 GBP	– GBP	– GBP	9 8 . 5 GBP	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—	—	15,300,000 GBP	15,300,000 GBP	– GBP	– GBP	– GBP	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	3,600,000 GBP	– GBP	– GBP	3,600,000 GBP	—	—	—	—	– GBP	—	—	—	—	—	—	—	—	—	—	2 .2 GBP	2. 2 GBP	– GBP	– GBP	– GBP	—	—	—	—	—