Statement Of Comprehensive Income [Abstract]

WPP PLC - Filing #1592573

Concept	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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2019-01-01 to 2019-12-31
Statement of comprehensive income [abstract]
Profit (loss)	8 3 .0 GBP	− GBP	− GBP	− GBP	− GBP	6 3 7. 7 GBP	720. 7 GBP	6 3 7. 7 GBP	2,9 65.1 GBP	− GBP	2,901,300,000 GBP	63. 8 GBP	− GBP	2, 965.1 GBP	− GBP	− GBP	9 3 7. 9 GBP
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]
Other comprehensive income, net of tax, gains (losses) from investments in equity instruments	− GBP	− GBP	− GBP	− GBP	− GBP	3 5. 5 GBP	35 . 5 GBP	3 5. 5 GBP	1 2 7. 7 GBP	− GBP	1 2 7. 7 GBP	– GBP	− GBP	1 2 7. 7 GBP	− GBP	− GBP	141 . 4 GBP
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	—	—	—	—	24,200,000 GBP	—	—	—	11 8. 3 GBP	—	—	—	—	—	17 1 .6 GBP
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Exchange differences on translation [abstract]
Gains (losses) on exchange differences on translation of foreign operations, net of tax	10. 3 GBP	− GBP	− GBP	94 . 7 GBP	− GBP	94 . 7 GBP	1 05 . 0 GBP	− GBP	− GBP	− GBP	81. 3 GBP	3 .9 GBP	− GBP	8 5.2 GBP	85,200,000 GBP	− GBP	62 5 .1 GBP
Reclassification adjustments on exchange differences on translation of foreign operations, net of tax	—	—	—	—	—	—	– GBP	—	− GBP	− GBP	20 . 6 GBP	– GBP	− GBP	2 0. 6 GBP	2 0. 6 GBP	− GBP	28 4 .0 GBP
Cash flow hedges [abstract]
Gains (losses) on cash flow hedges, net of tax	− GBP	− GBP	− GBP	3 8 .0 GBP	− GBP	3 8 .0 GBP	3 8 .0 GBP	− GBP	− GBP	− GBP	5 .9 GBP	− GBP	− GBP	5 .9 GBP	5 .9 GBP	− GBP	– GBP
Hedges of net investment in foreign operations [abstract]
Gains (losses) on hedges of net investments in foreign operations, net of tax	− GBP	− GBP	− GBP	45,500,000 GBP	− GBP	45. 5 GBP	45,500,000 GBP	− GBP	− GBP	− GBP	9. 7 GBP	− GBP	− GBP	9. 7 GBP	9. 7 GBP	− GBP	– GBP
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax	− GBP	− GBP	− GBP	7. 3 GBP	− GBP	13 .5 GBP	13. 5 GBP	6. 2 GBP	− GBP	− GBP	61 . 5 GBP	− GBP	− GBP	61 . 5 GBP	61 . 5 GBP	− GBP	– GBP
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	—	—	—	—	8 4 . 0 GBP	—	—	—	3,000,000 GBP	—	—	—	—	—	9 0 9.1 GBP
Other comprehensive income	10. 3 GBP	− GBP	− GBP	7 9.9 GBP	− GBP	97. 9 GBP	108,200,000 GBP	1 8 .0 GBP	118. 3 GBP	− GBP	115. 3 GBP	3 .9 GBP	− GBP	111. 4 GBP	6 .9 GBP	– GBP	1, 080.7 GBP
Comprehensive income	72 .7 GBP	− GBP	− GBP	7 9. 9 GBP	− GBP	5 3 9. 8 GBP	612 . 5 GBP	6 1 9. 7 GBP	3,083,400,000 GBP	− GBP	3,0 16.6 GBP	5 9.9 GBP	− GBP	3,076,500,000 GBP	6 .9 GBP	– GBP	1 42 .8 GBP
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	5 3 9. 8 GBP	—	—	—	3,076,500,000 GBP	—	—	—	—	—	2 1 8 . 6 GBP
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	72 .7 GBP	—	—	—	59. 9 GBP	—	—	—	—	—	75,800,000 GBP