Statement Of Changes In Equity [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	As at 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	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 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	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	—	—	7,299,498,000 EUR	—	—	—	—	—	1,723,175,000 EUR	—	987,427,000 EUR	16,471,000 EUR	—	3,000,000,000 EUR	400,000,000 EUR	—	856,050,000 EUR	316,375,000 EUR	268,534,000 EUR	5,936,767,000 EUR	—	—	—	—	—	1,272,262,000 EUR	—	—	782,114,000 EUR	16,471,000 EUR	—	—	3,000,000,000 EUR	—	400,000,000 EUR	—	197,386,000 EUR	—	—	16,471,000 EUR	490,446,000 EUR	4,725,000,000 EUR	580,304,000 EUR	400,000,000 EUR	259,528,000 EUR	7,062,057,000 EUR	942,672,000 EUR	138,082,000 EUR	89,858,000 EUR	89,858,000 EUR	138,082,000 EUR	400,000,000 EUR	259,528,000 EUR	942,672,000 EUR	16,471,000 EUR	4,725,000,000 EUR	6,972,199,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	950,461,000 EUR	—	—	947,609,000 EUR	856,050,000 EUR	856,050,000 EUR	—	91,559,000 EUR	—	—	—	—	—	—	—	2,852,000 EUR	—	—	—	—	—	114,027,000 EUR	—	77,822,000 EUR	—	—	—	5,537,000 EUR	—	—	197,386,000 EUR	119,564,000 EUR	—	—	—	—	—	197,386,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	475,960,000 EUR	—	—	475,960,000 EUR	—	338,447,000 EUR	338,447,000 EUR	137,513,000 EUR	—	—	—	—	—	—	—	— EUR	—	—	—	—	—	1,043,907,000 EUR	1,020,803,000 EUR	23,104,000 EUR	—	—	—	— EUR	—	—	—	1,043,907,000 EUR	—	—	—	—	—	1,020,803,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
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	929,880,000 EUR	1,020,803,000 EUR	100,926,000 EUR	— EUR	—	— EUR	5,537,000 EUR	—	—	197,386,000 EUR	924,343,000 EUR	—	—	—	—	—	823,417,000 EUR	— EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	23,719,000 EUR	—	23,719,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	13,603,000 EUR	13,603,000 EUR	—	—	—	—	—	—	—	—	—	—	59,572,000 EUR	—	59,572,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	—	—	—	119,000 EUR	—	—	—	—	—	79,000 EUR	40,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	914,000 EUR	854,000 EUR	60,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—