Disclosure Of Income Tax [Text Block]

DCC PLC - Filing #1896646

Concept	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	As at 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	As at 2022-03-31
Disclosure of income tax [text block]	—	—	—	—	—	—	—	—	—		—	—	—	—	—	—	—	—	—	—
Major components of tax expense (income) [abstract]
Tax expense (income)	2,764,000 GBP	87,526,000 GBP	—	—	—	—	—	—	—	84,762,000 GBP	—	—	—	—	—	—	1,501,000 GBP	81,235,000 GBP	79,734,000 GBP	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to cash flow hedges included in other comprehensive income	—	—	30,374,000 GBP	—	– GBP	– GBP	– GBP	– GBP	30,374,000 GBP	30,374,000 GBP	16,138,000 GBP	– GBP	– GBP	– GBP	16,138,000 GBP	– GBP	—	—	16,138,000 GBP	—
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	—	—	800,000 GBP	—	– GBP	– GBP	– GBP	800,000 GBP	– GBP	800,000 GBP	210,000 GBP	– GBP	– GBP	210,000 GBP	– GBP	– GBP	—	—	210,000 GBP	—
Disclosure of temporary difference, unused tax losses and unused tax credits [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets and liabilities [abstract]
Deferred tax assets	—	—	—	69,053,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	54,494,000 GBP
Deferred tax liabilities	—	—	—	263,623,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	259,796,000 GBP
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]