Disclosure Of Income Tax [Text Block]

DCC PLC - Filing #2046004

Concept	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	As at 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	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
Disclosure of income tax [text block]	—	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Major components of tax expense (income) [abstract]
Tax expense (income)	—	—	83,213,000 GBP	—	—	—	—	—	6,418,000 GBP	89,631,000 GBP	2,764,000 GBP	87,526,000 GBP	—	—	—	—	—	—	—	84,762,000 GBP
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to cash flow hedges included in other comprehensive income	6,937,000 GBP	6,937,000 GBP	6,937,000 GBP	—	– GBP	– GBP	– GBP	– GBP	—	—	—	—	30,374,000 GBP	—	– GBP	– GBP	– GBP	– GBP	30,374,000 GBP	30,374,000 GBP
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	– GBP	117,000 GBP	117,000 GBP	—	—	– GBP	117,000 GBP	– GBP	—	—	—	—	800,000 GBP	—	– GBP	800,000 GBP	– GBP	– GBP	– GBP	800,000 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	—	—	—	81,258,000 GBP	—	—	—	—	—	—	—	—	—	69,053,000 GBP	—	—	—	—	—	—
Deferred tax liabilities	—	—	—	286,217,000 GBP	—	—	—	—	—	—	—	—	—	263,623,000 GBP	—	—	—	—	—	—
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]