Statement Of Changes In Equity [Abstract]

Alleima - Filing #5861530

Concept	2024-01-01 to 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	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 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	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	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	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	As at 2023-12-31	As at 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	2023-01-01 to 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	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	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	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	—	—	16 007 SEK	—	251,000,000 SEK	0 SEK	567,000,000 SEK	—	—	16 614 SEK	—	—	211,000,000 SEK	—	0 SEK	16 614 SEK	—	15 732 SEK	—	15 276 SEK	—	—	0 SEK	—	—	251,000,000 SEK	257,000,000 SEK	15 732 SEK	52,000,000 SEK	—	0 SEK	—	559,000,000 SEK	15 901 SEK	0 SEK	– SEK	– SEK	277,000,000 SEK	251,000,000 SEK	– SEK	15 901 SEK	– SEK	– SEK	277,000,000 SEK	0 SEK	0 SEK	14 329 SEK	14 606 SEK	251,000,000 SEK	485,000,000 SEK	15 901 SEK	15 901 SEK	– SEK	0 SEK	485,000,000 SEK	836,000,000 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	1 221 SEK	– SEK	—	– SEK	—	—	—	1 221 SEK	– SEK	—	1 221 SEK	– SEK	—	– SEK	—	—	1 574 SEK	—	1 574 SEK	—	– SEK	1 574 SEK	—	– SEK	– SEK	—	—	—	—	– SEK	—	– SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	306,000,000 SEK	– SEK	—	310,000,000 SEK	—	—	—	24,000,000 SEK	– SEK	—	306,000,000 SEK	27,000,000 SEK	—	– SEK	—	—	1 252 SEK	—	1 252 SEK	—	– SEK	258,000,000 SEK	—	227,000,000 SEK	– SEK	—	—	—	—	– SEK	—	766,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	1 528 SEK	– SEK	—	310,000,000 SEK	—	—	—	1 245 SEK	– SEK	—	1 528 SEK	27,000,000 SEK	—	– SEK	—	—	322,000,000 SEK	—	322,000,000 SEK	—	– SEK	1 316 SEK	—	227,000,000 SEK	– SEK	—	—	—	—	– SEK	—	766,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	501,000,000 SEK	– SEK	—	– SEK	—	—	—	501,000,000 SEK	– SEK	—	501,000,000 SEK	– SEK	—	– SEK	—	—	351,000,000 SEK	—	351,000,000 SEK	—	– SEK	351,000,000 SEK	—	– SEK	– SEK	—	—	—	—	– SEK	—	– SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	20,000,000 SEK	– SEK	—	– SEK	—	—	—	20,000,000 SEK	– SEK	—	20,000,000 SEK	– SEK	—	– SEK	—	—	20,000,000 SEK	—	20,000,000 SEK	—	– SEK	20,000,000 SEK	—	– SEK	– SEK	—	—	—	—	– SEK	—	– SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	6,000,000 SEK	– SEK	—	– SEK	—	—	—	6,000,000 SEK	– SEK	—	6,000,000 SEK	– SEK	—	– SEK	—	—	2,000,000 SEK	—	2,000,000 SEK	—	– SEK	2,000,000 SEK	—	– SEK	– SEK	—	—	—	—	– SEK	—	– SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—