Statement Of Comprehensive Income [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 comprehensive income [abstract]
Profit (loss)	– SEK	– SEK	1 667 SEK	0 SEK	1 667 SEK	1 667 SEK	– SEK	– SEK	1 651 SEK	– SEK	1 652 SEK	1 651 SEK	1,000,000 SEK	– SEK
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]
Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans	—	—	29,000,000 SEK	—	—	—	—	—	—	—	39,000,000 SEK	—	—	—
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	29,000,000 SEK	—	—	—	—	—	—	—	39,000,000 SEK	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Exchange differences on translation [abstract]
Gains (losses) on exchange differences on translation of foreign operations, net of tax	—	—	66,000,000 SEK	—	—	—	—	—	—	—	542,000,000 SEK	—	—	—
Reclassification adjustments on exchange differences on translation of foreign operations, net of tax	—	—	0 SEK	—	—	—	—	—	—	—	3,000,000 SEK	—	—	—
Hedges of net investment in foreign operations [abstract]
Gains (losses) on hedges of net investments in foreign operations, net of tax	—	—	6,000,000 SEK	—	—	—	—	—	—	—	92,000,000 SEK	—	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	72,000,000 SEK	—	—	—	—	—	—	—	4 47 SEK	—	—	—
Other comprehensive income	– SEK	– SEK	101,000,000 SEK	0 SEK	29,000,000 SEK	101,000,000 SEK	72,000,000 SEK	– SEK	485,000,000 SEK	446,000,000 SEK	486,000,000 SEK	39,000,000 SEK	1,000,000 SEK	– SEK
Comprehensive income	– SEK	– SEK	1 566 SEK	0 SEK	1 638 SEK	1 566 SEK	7 2 SEK	– SEK	2 136 SEK	4 46 SEK	2 138 SEK	1 690 SEK	2,000,000 SEK	– SEK
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	1 566 SEK	—	—	—	—	—	—	—	2 136 SEK	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	0 SEK	—	—	—	—	—	—	—	2,000,000 SEK	—	—	—