Statement Of Changes In Equity [Abstract]

Sweco - Filing #679186

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	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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through acquisition of subsidiary, equity	– SEK	– SEK	0 SEK	0 SEK	– SEK	– SEK	– SEK	—	—	—	—	—	—	—
Increase (decrease) through disposal of subsidiary, equity	– SEK	– SEK	1,000,000 SEK	1,000,000 SEK	– SEK	– SEK	– SEK	– SEK	– SEK	– SEK	3,000,000 SEK	– SEK	3,000,000 SEK	– SEK