Statement Of Changes In Equity [Abstract]

Storebrand ASA - Filing #5792897

Concept	As at 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	As at 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	2023-01-01 to 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	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	1 851 NOK	9 711 NOK	3 540 NOK	—	—	17 810 NOK	15 959 NOK	2 708 NOK	—	—	—	—	2 327 NOK	17 385 NOK	—	15 578 NOK	1 807 NOK	—	9 711 NOK	3 540 NOK	1 899 NOK	15 150 NOK	16 772 NOK	9 711 NOK	1 621 NOK	3 540 NOK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	3 632 NOK	3 632 NOK	—	—	—	—	—	—	2 841 NOK	—	—	—	—	—	2 841 NOK	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	149,000,000 NOK	149,000,000 NOK	—	—	—	—	—	—	352,000,000 NOK	—	—	—	—	—	352,000,000 NOK	—	—	—	—	—	—	—	—
Comprehensive income	—	—	—	3 483 NOK	3 483 NOK	—	—	—	—	—	—	2 489 NOK	—	—	—	—	—	2 489 NOK	—	—	—	—	—	—	—	—
Increase through other contributions by owners, equity	—	—	—	—	381,000,000 NOK	—	—	—	381,000,000 NOK	381,000,000 NOK	427,000,000 NOK	427,000,000 NOK	—	—	427,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—
Decrease through other distributions to owners, equity	—	—	—	3 439 NOK	3 439 NOK	—	—	—	—	—	—	2 325 NOK	—	—	—	—	—	2 325 NOK	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	—	—	—	—	—	—	—	—	—	—	—	22,000,000 NOK	—	—	—	—	—	22,000,000 NOK	—	—	—	—	—	—	—	—