Statement Of Comprehensive Income [Abstract]

Telia Company - Filing #5861534

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	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	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
Statement of comprehensive income [abstract]
Profit (loss)	7 079 SEK	- SEK	- SEK	7 079 SEK	702,000,000 SEK	7 781 SEK	- SEK	- SEK	- SEK	- SEK	- SEK	897,000,000 SEK	303,000,000 SEK	594,000,000 SEK	303,000,000 SEK	- SEK	- SEK	- SEK	- SEK	- SEK	- 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) from investments in equity instruments	—	—	—	—	—	19,000,000 SEK	—	—	—	—	—	310,000,000 SEK	—	—	—	—	—	—	—	—	—	—
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	—	—	—	—	—	3 573 SEK	—	—	—	—	—	2 253 SEK	—	—	—	—	—	—	—	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Cash flow hedges [abstract]
Gains (losses) on cash flow hedges, before tax	—	—	—	—	—	213,000,000 SEK	—	—	—	—	—	100,000,000 SEK	—	—	—	—	—	—	—	—	—	—
Cost of hedging [abstract]
Change in value of foreign currency basis spreads [abstract]
Gains (losses) on change in value of foreign currency basis spreads, before tax	—	—	—	—	—	226,000,000 SEK	—	—	—	—	—	102,000,000 SEK	—	—	—	—	—	—	—	—	—	—
Financial assets measured at fair value through other comprehensive income [abstract]
Gains (losses) on financial assets measured at fair value through other comprehensive income, before tax	—	—	—	—	—	2,000,000 SEK	—	—	—	—	—	2,000,000 SEK	—	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	—	—	—	—	732,000,000 SEK	—	—	—	—	—	461,000,000 SEK	—	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract]
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	—	—	—	—	—	300,000,000 SEK	—	—	—	—	—	47,000,000 SEK	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	2 720 SEK	- SEK	210,000,000 SEK	2 841 SEK	182,000,000 SEK	2 902 SEK	- SEK	169,000,000 SEK	179,000,000 SEK	17,000,000 SEK	- SEK	3 280 SEK	3 231 SEK	50,000,000 SEK	1 792 SEK	1 590 SEK	- SEK	- SEK	81,000,000 SEK	311,000,000 SEK	- SEK	79,000,000 SEK
Comprehensive income	9 799 SEK	- SEK	210,000,000 SEK	9 920 SEK	884,000,000 SEK	10 683 SEK	- SEK	169,000,000 SEK	179,000,000 SEK	17,000,000 SEK	- SEK	2 383 SEK	2 927 SEK	544,000,000 SEK	1 489 SEK	1 590 SEK	- SEK	- SEK	81,000,000 SEK	311,000,000 SEK	- SEK	79,000,000 SEK
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	9 799 SEK	—	—	—	—	—	2 927 SEK	—	—	—	—	—	—	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	884,000,000 SEK	—	—	—	—	—	544,000,000 SEK	—	—	—	—	—	—	—	—	—	—