Analysis Of Income And Expense [Abstract]

Banco Comercial Portugues - Filing #3250881

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	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	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
Analysis of income and expense [abstract]
Revenue [abstract]
Interest income	—	4,371,289,000 EUR	—	—	—	—	—	—	—	—	—	—	—	2,737,235,000 EUR	—	—	—	—	—	—	—	—
Dividend income	—	1,783,000 EUR	—	—	—	—	—	—	—	—	—	—	—	10,086,000 EUR	—	—	—	—	—	—	—	—
Material income and expense [abstract]
Interest expense	—	1,545,565,000 EUR	—	—	—	—	—	—	—	—	—	—	—	587,463,000 EUR	—	—	—	—	—	—	—	—
Interest income (expense)	—	2,825,724,000 EUR	—	—	—	—	—	—	—	—	—	—	—	2,149,772,000 EUR	—	—	—	—	—	—	—	—
Other operating income (expense)	—	60,415,000 EUR	—	—	—	—	—	—	—	—	—	—	—	193,112,000 EUR	—	—	—	—	—	—	—	—
Selling, general and administrative expense [abstract]
General and administrative expense	—	393,246,000 EUR	—	—	—	—	—	—	—	—	—	—	—	352,961,000 EUR	—	—	—	—	—	—	—	—
Operating expense	—	1,162,551,000 EUR	—	—	—	—	—	—	—	—	—	—	—	1,073,018,000 EUR	—	—	—	—	—	—	—	—
Fee and commission income (expense) [abstract]
Fee and commission income (expense)	—	771,673,000 EUR	—	—	—	—	—	—	—	—	—	—	—	771,908,000 EUR	—	—	—	—	—	—	—	—
Expenses by nature [abstract]
Classes of employee benefits expense [abstract]
Employee benefits expense	—	631,806,000 EUR	—	—	—	—	—	—	—	—	—	—	—	580,807,000 EUR	—	—	—	—	—	—	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation and amortisation expense	—	137,499,000 EUR	—	—	—	—	—	—	—	—	—	—	—	139,250,000 EUR	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [abstract]
Disclosure of attribution of expenses by nature to their function [line items]
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations	—	58,989,000 EUR	—	58,989,000 EUR	—	8,307,000 EUR	—	50,682,000 EUR	—	—	— EUR	—	—	12,616,000 EUR	5,568,000 EUR	—	—	— EUR	—	12,616,000 EUR	18,184,000 EUR	—
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	64,266,000 EUR	—	—	—	—	—	—	—	—	—	—	—	58,611,000 EUR	—	—	—	—	—	—	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method, before tax [abstract]
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax	—	5,910,000 EUR	—	5,910,000 EUR	—	5,907,000 EUR	—	3,000 EUR	—	—	— EUR	—	—	8,448,000 EUR	3,000 EUR	—	—	— EUR	—	8,448,000 EUR	8,445,000 EUR	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	94,751,000 EUR	—	94,751,000 EUR	—	94,665,000 EUR	—	86,000 EUR	—	—	— EUR	—	—	136,759,000 EUR	78,000 EUR	—	—	— EUR	—	136,759,000 EUR	136,681,000 EUR	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	—	201,272,000 EUR	—	201,272,000 EUR	—	181,062,000 EUR	—	20,210,000 EUR	—	—	— EUR	—	—	589,842,000 EUR	4,212,000 EUR	—	—	— EUR	—	589,842,000 EUR	585,630,000 EUR	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	— EUR	1,426,421,000 EUR	— EUR	1,423,569,000 EUR	856,050,000 EUR	1,194,497,000 EUR	338,447,000 EUR	229,072,000 EUR	— EUR	— EUR	2,852,000 EUR	— EUR	1,020,803,000 EUR	929,880,000 EUR	100,926,000 EUR	— EUR	— EUR	5,537,000 EUR	197,386,000 EUR	924,343,000 EUR	823,417,000 EUR	— EUR