Statement Of Changes In Equity [Abstract]

WPP PLC - Filing #1868623

Concept	As at 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	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2020-12-31	2020-01-01 to 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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	4 ,1 60 . 4 GBP	—	—	—	—	—	—	285,200,000 GBP	4 7 9. 6 GBP	575 .9 GBP	3,75 9 .7 GBP	1 ,0 5 4 .1 GBP	1 14 .1 GBP	3,6 80.8 GBP	—	—	—	1 ,11 2 .1 GBP	4 , 3 67. 3 GBP	3 3 5.9 GBP	—	—	—	4 , 0 6 9. 0 GBP	—	3,61 6.4 GBP	5 74 . 7 GBP	—	4 52. 6 GBP	122. 4 GBP	—	—	570. 3 GBP	—	4 ,9 5 9. 2 GBP	3 1 8 .1 GBP	1 2 9. 6 GBP	4,732. 0 GBP	191. 2 GBP	1 ,1 1 8 . 3 GBP	5, 0 5 0 .1 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	– GBP	− GBP	– GBP	775 . 4 GBP	682 .7 GBP	92. 7 GBP	—	—	—	—	—	—	—	682. 7 GBP	– GBP	8 3 .0 GBP	—	—	—	− GBP	− GBP	6 3 7. 7 GBP	—	− GBP	—	—	− GBP	—	—	720,700,000 GBP	6 3 7. 7 GBP	—	2, 901.3 GBP	—	—	—	—	—	—	—
Other comprehensive income	—	– GBP	– GBP	2 9 9. 4 GBP	320. 8 GBP	6,200,000 GBP	15. 2 GBP	—	—	—	—	—	—	—	305,600,000 GBP	– GBP	10. 3 GBP	—	—	—	− GBP	7 9.9 GBP	97 .9 GBP	—	− GBP	—	—	− GBP	—	—	10 8. 2 GBP	18 .0 GBP	—	115,300,000 GBP	—	—	—	—	—	—	—
Comprehensive income	—	– GBP	– GBP	2 9 9. 4 GBP	1,096 .2 GBP	6 8 8 .9 GBP	1 0 7. 9 GBP	—	—	—	—	—	—	—	988 .3 GBP	– GBP	72 .7 GBP	—	—	—	− GBP	7 9.9 GBP	5 3 9. 8 GBP	—	− GBP	—	—	− GBP	—	—	6 12.5 GBP	61 9. 7 GBP	—	3,016,600,000 GBP	—	—	—	—	—	—	—
Issue of equity	—	− GBP	− GBP	− GBP	1,200,000 GBP	− GBP	− GBP	—	—	—	—	—	—	—	1,200,000 GBP	1,200,000 GBP	− GBP	—	—	—	− GBP	− GBP	4 .4 GBP	—	4,400,000 GBP	—	—	− GBP	—	—	4,400,000 GBP	− GBP	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	– GBP	– GBP	– GBP	4 3 4 .9 GBP	3 65 . 4 GBP	6 9. 5 GBP	—	—	—	—	—	—	—	3 6 5 . 4 GBP	– GBP	114 .5 GBP	—	—	—	− GBP	− GBP	314. 7 GBP	—	− GBP	—	—	− GBP	—	—	4 2 9. 2 GBP	314 .7 GBP	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	− GBP	− GBP	− GBP	− GBP	− GBP	− GBP	—	—	—	—	—	—	—	− GBP	− GBP	− GBP	—	—	—	3,700,000 GBP	− GBP	– GBP	—	− GBP	—	—	− GBP	—	—	− GBP	3,700,000 GBP	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	– GBP	– GBP	– GBP	122 .0 GBP	122 .0 GBP	– GBP	—	—	—	—	—	—	—	12 2.0 GBP	– GBP	− GBP	—	—	—	− GBP	− GBP	9 9. 6 GBP	—	− GBP	—	—	− GBP	—	—	9 9. 6 GBP	9 9. 6 GBP	—	—	—	—	—	—	—	—	—