Statement Of Comprehensive Income [Abstract]

Bank of Ireland GP - Filing #5617060

Concept	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	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	2022-01-01 to 2022-12-31	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	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
Statement of comprehensive income [abstract]
Profit (loss)	– EUR	– EUR	897,000,000 EUR	889,000,000 EUR	8,000,000 EUR	– EUR	– EUR	– EUR	– EUR	– EUR	889,000,000 EUR	– EUR	– EUR	7,000,000 EUR	– EUR	– EUR	– EUR	1,048,000,000 EUR	– EUR	– EUR	– EUR	– EUR	– EUR	– EUR	1,055,000,000 EUR	1,048,000,000 EUR
Other comprehensive income [abstract]
Other comprehensive income	– EUR	– EUR	131,000,000 EUR	91,000,000 EUR	– EUR	5,000,000 EUR	12,000,000 EUR	– EUR	– EUR	146,000,000 EUR	131,000,000 EUR	– EUR	93,000,000 EUR	– EUR	10,000,000 EUR	– EUR	5,000,000 EUR	732,000,000 EUR	– EUR	184,000,000 EUR	– EUR	34,000,000 EUR	– EUR	– EUR	732,000,000 EUR	597,000,000 EUR
Comprehensive income	– EUR	– EUR	766,000,000 EUR	980,000,000 EUR	8,000,000 EUR	5,000,000 EUR	12,000,000 EUR	– EUR	– EUR	146,000,000 EUR	758,000,000 EUR	– EUR	93,000,000 EUR	7,000,000 EUR	10,000,000 EUR	– EUR	5,000,000 EUR	1,780,000,000 EUR	– EUR	184,000,000 EUR	– EUR	34,000,000 EUR	– EUR	– EUR	1,787,000,000 EUR	1,645,000,000 EUR
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	758,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1,780,000,000 EUR	—
Comprehensive income, attributable to non-controlling interests	—	—	8,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	7,000,000 EUR	—