Statement Of Financial Position [Abstract]

Telia Company - Filing #703319

Concept	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	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 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	—	72 741 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	70 893 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	78 163 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Right-of-use assets	—	—	—	—	15 485 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	14 814 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	15 640 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Goodwill	—	—	—	—	66 302 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	63 313 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	75 696 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Intangible assets other than goodwill	—	—	—	—	23 641 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	22 629 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	25 751 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Investments accounted for using equity method	—	—	—	—	971,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	950,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	10 153 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-current assets or disposal groups classified as held for sale or as held for distribution to owners	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4 957 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	875,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	1 302 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1 449 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1 849 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	14 358 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	8 332 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	6 210 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Assets	—	—	—	—	237 025 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	226 103 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	263 568 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Equity attributable to owners of parent	—	—	—	—	80 731 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	62 378 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	90 646 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	—	—	2 812 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1 118 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1 409 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity	46 595 SEK	13 856 SEK	76,000,000 SEK	12 472 SEK	83 544 SEK	134,000,000 SEK	1 564 SEK	2 945 SEK	80 731 SEK	2 812 SEK	9 247 SEK	31 582 SEK	183,000,000 SEK	1 118 SEK	37,000,000 SEK	12 480 SEK	62 378 SEK	13 856 SEK	6 157 SEK	63 496 SEK	1 469 SEK	2 945 SEK	266,000,000 SEK	90 646 SEK	13 856 SEK	1 409 SEK	91 047 SEK	1 409 SEK	5 330 SEK	3 099 SEK	2 943 SEK	388,000,000 SEK	266,000,000 SEK	12,000,000 SEK	92 055 SEK	5 330 SEK	123,000,000 SEK	3 099 SEK	2 943 SEK	12,000,000 SEK	12,000,000 SEK	388,000,000 SEK	388,000,000 SEK	67 611 SEK	1 380 SEK	13 025 SEK	175,000,000 SEK	175,000,000 SEK	13 025 SEK	13 856 SEK	266,000,000 SEK	92 455 SEK	1 380 SEK	123,000,000 SEK	67 745 SEK
Liabilities [abstract]
Deferred tax liabilities	—	—	—	—	10 185 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	9 723 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	11 544 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities included in disposal groups classified as held for sale	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3 325 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	604,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	237 025 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	226 103 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	263 568 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—