Statement Of Changes In Equity [Abstract]

SpareBank 1 Nordmøre - Filing #5626879

Concept	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2023-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	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	2023-01-01 to 2023-12-31	As at 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 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01	As at 2023-01-01
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	2 316 NOK	—	—	—	—	67,000,000 NOK	10,000,000 NOK	—	118,000,000 NOK	—	906,000,000 NOK	4,000,000 NOK	—	—	—	—	360,000,000 NOK	—	357,000,000 NOK	30,000,000 NOK	4 168 NOK	—	—	—	3 762 NOK	—	20,000,000 NOK	—	18,000,000 NOK	—	270,000,000 NOK	—	4,000,000 NOK	118,000,000 NOK	—	906,000,000 NOK	285,000,000 NOK	—	57,000,000 NOK	2 084 NOK	15,000,000 NOK	1 896 NOK	285,000,000 NOK	86,000,000 NOK	59,000,000 NOK	5,000,000 NOK	214,000,000 NOK	906,000,000 NOK	118,000,000 NOK	3 584 NOK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	232,000,000 NOK	150,000,000 NOK	—	—	—	—	2,000,000 NOK	—	53,000,000 NOK	—	—	27,000,000 NOK	23,000,000 NOK	1,000,000 NOK	487,000,000 NOK	—	—	—	—	—	189,000,000 NOK	315,000,000 NOK	1,000,000 NOK	—	128,000,000 NOK	—	44,000,000 NOK	—	1,000,000 NOK	—	20,000,000 NOK	—	—	—	—	—	22,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	—	—	19,000,000 NOK	—	1,000,000 NOK	—	—	—	—	—	19,000,000 NOK	—	—	—	—	—	—	2,000,000 NOK	3,000,000 NOK	—	—	—	1,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	468,000,000 NOK	—	—	—	—	—	—	312,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	63,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	63,000,000 NOK	—	—	—	—	—	—	72,000,000 NOK	—	—	72,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	5,000,000 NOK	—	5,000,000 NOK	—	—	—	—	9,000,000 NOK	—	—	—	—	9,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	—	—	0 NOK	0 NOK	—	—	—	—	—	—	—	—	—	—	0 NOK	—	—	—	—	—	—	0 NOK	—	—	—	—	—	—	—	—	—	—	—	0 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	—	—	—	—	—	—	9,000,000 NOK	—	—	—	—	—	—	1,000,000 NOK	10,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—