Statement Of Changes In Equity [Abstract]

WPP PLC - Filing #1868624

Concept	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Decrease (increase) through tax on share-based payment transactions, equity	– GBP	9. 2 GBP	– GBP	– GBP	9. 2 GBP	– GBP	—	– GBP	− GBP	− GBP	− GBP	− GBP	− GBP	15. 4 GBP	15. 4 GBP	15,400,000 GBP
Cancellation of treasury shares	− GBP	8 0 7. 4 GBP	8 . 3 GBP	8,300,000 GBP	8 0 7. 4 GBP	− GBP	8 07. 4 GBP	− GBP	− GBP	− GBP	− GBP	7. 2 GBP	7. 2 GBP	7 2 9. 3 GBP	7 2 9. 3 GBP	7 2 9. 3 GBP