Statement Of Comprehensive Income [Abstract]

Persimmon PLC - Filing #2009326

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	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
Statement of comprehensive income [abstract]
Profit (loss)	— GBP	— GBP	2 55.4 GBP	— GBP	2 55.4 GBP	— GBP	— GBP	56 1 .0 GBP	— GBP	— GBP	— GBP	56 1.0 GBP
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	—	—	35,100,000 GBP	—	—	—	—	5,200,000 GBP	—	—	—	—
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	—	9,800,000 GBP	—	—	—	—	7 .6 GBP	—	—	—	—
Other comprehensive income	— GBP	— GBP	25,300,000 GBP	— GBP	25,300,000 GBP	— GBP	— GBP	2,400,000 GBP	— GBP	— GBP	— GBP	2,400,000 GBP
Comprehensive income	—	—	230,100,000 GBP	—	—	—	—	558,600,000 GBP	—	—	—	—