Analysis Of Income And Expense [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
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue from construction contracts	—	—	56 932 SEK	—	—	—	—	—	—	54 198 SEK	—	—
Material income and expense [abstract]
Gains (losses) on disposals of property, plant and equipment [abstract]
Gains (losses) on disposals of property, plant and equipment	—	—	19,000,000 SEK	—	—	—	—	—	—	22,000,000 SEK	—	—
Finance income (cost)	—	—	1,000,000 SEK	—	—	—	—	—	—	59,000,000 SEK	—	—
Selling, general and administrative expense [abstract]
Selling, general and administrative expense	—	—	3 156 SEK	—	—	—	—	—	—	2 981 SEK	—	—
Expenses by nature [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Impairment loss (reversal of impairment loss) recognised in profit or loss	—	—	2,000,000 SEK	—	—	—	—	—	—	0 SEK	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	11,000,000 SEK	—	—	—	—	—	—	262,000,000 SEK	—	—
Comprehensive income, continuing and discontinued operations [abstract]
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 owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	728,000,000 SEK	—	—	—	—	—	—	2 963 SEK	—	—