Statement Of Changes In Equity [Abstract]

Telia Company - Filing #691257

Concept	As at 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	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	67 673 SEK	—	—	—	—	3 434 SEK	32 754 SEK	13 856 SEK	—	11 807 SEK	64 239 SEK	1 506 SEK	—	6 994 SEK	2 945 SEK	199,000,000 SEK	—	68,000,000 SEK	—	—	—	—	83 544 SEK	—	—	—	46 595 SEK	2 812 SEK	134,000,000 SEK	1 469 SEK	31 582 SEK	1 118 SEK	76,000,000 SEK	12 472 SEK	80 731 SEK	13 856 SEK	13 856 SEK	62 378 SEK	—	—	2 945 SEK	—	9 247 SEK	—	183,000,000 SEK	83 544 SEK	—	12 480 SEK	6 157 SEK	—	63 496 SEK	1 564 SEK	—	2 945 SEK	—	37,000,000 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	14 165 SEK	14 638 SEK	474,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	14 638 SEK	—	—	—	—	—	—	11 836 SEK	—	11 836 SEK	—	—	—	—	—	—	—	—	—	—	—	—	11 680 SEK	—	—	—	—	—	—	—	—	—	—	156,000,000 SEK	—	—	11 680 SEK	—	—	—
Other comprehensive income	—	7 022 SEK	3 794 SEK	391,000,000 SEK	212,000,000 SEK	—	—	—	58,000,000 SEK	—	—	—	123,000,000 SEK	—	—	—	6 631 SEK	—	2 559 SEK	—	—	—	—	8 666 SEK	—	8 666 SEK	—	—	—	—	—	—	—	—	—	—	—	—	5 294 SEK	95,000,000 SEK	—	48,000,000 SEK	—	—	—	—	3 090 SEK	—	—	25,000,000 SEK	—	—	8 641 SEK	—	114,000,000 SEK	—
Comprehensive income	—	7 142 SEK	10 844 SEK	865,000,000 SEK	212,000,000 SEK	—	—	—	58,000,000 SEK	—	—	—	123,000,000 SEK	—	—	—	8 007 SEK	—	2 559 SEK	—	—	—	—	20 502 SEK	—	20 502 SEK	—	—	—	—	—	—	—	—	—	—	—	—	16 974 SEK	95,000,000 SEK	—	48,000,000 SEK	—	—	—	—	3 090 SEK	—	—	181,000,000 SEK	—	—	20 321 SEK	—	114,000,000 SEK	—
Dividends recognised as distributions to owners	—	8 685 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	8 357 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	5 445 SEK	5 255 SEK	190,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	5 255 SEK	—	—	—	1 691 SEK	6 219 SEK	—	7 910 SEK	6 219 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	20,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	20,000,000 SEK	—	—	20,000,000 SEK	—	—	—	—	—	13,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	13,000,000 SEK	—	—	—	—	—	—	—	—	13,000,000 SEK	—	—	—
Amount removed from reserve of cash flow hedges and included in initial cost or other carrying amount of non-financial asset (liability) or firm commitment for which fair value hedge accounting is applied	—	10,000,000 SEK	—	—	10,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	10,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—