Statement Of Comprehensive Income [Abstract]

NCC Group - Filing #679758

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	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	1 573 SEK	1 573 SEK	1 573 SEK	– SEK	– SEK	1 069 SEK	– SEK	1 069 SEK	1 069 SEK	– SEK
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	—	—	818,000,000 SEK	—	—	—	—	—	—	2 039 SEK	—	—
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Exchange differences on translation [abstract]
Gains (losses) on exchange differences on translation of foreign operations, before tax	—	—	74,000,000 SEK	—	—	—	—	—	—	229,000,000 SEK	—	—
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	—	—	168,000,000 SEK	—	—	—	—	—	—	420,000,000 SEK	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract]
Income tax relating to cash flow hedges included in other comprehensive income	—	—	32,000,000 SEK	—	—	—	—	—	—	12,000,000 SEK	—	—
Other comprehensive income	– SEK	– SEK	846,000,000 SEK	649,000,000 SEK	846,000,000 SEK	196,000,000 SEK	– SEK	1 894 SEK	275,000,000 SEK	1 894 SEK	1 619 SEK	– SEK
Comprehensive income	– SEK	– SEK	728,000,000 SEK	924,000,000 SEK	728,000,000 SEK	196,000,000 SEK	– SEK	2 963 SEK	275,000,000 SEK	2 963 SEK	2 688 SEK	– SEK
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	728,000,000 SEK	—	—	—	—	—	—	2 963 SEK	—	—