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Inventories - Additional Information (Detail) - SEK (kr) kr in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Disclosure Of Inventories [Abstract]
Inventories, recognized as expense	kr 56,275	kr 65,042
Inventories, at net realisable value	3,329	3,994
Write downs Reversals of Inventories	kr 2,004	kr 823

X

- Definition

Disclosure of inventories.

+ References

No definition available.

+ Details

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- Definition

The amount of inventories recognised as an expense during the period. [Refer: Inventories]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 2
-IssueDate 2024-01-01
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X

- Definition

The amount of expense recognised related to the write-down of inventories to net realisable value. [Refer: Inventories]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount recognised resulting from the write-down of inventories to net realisable value or reversals of those write-downs. [Refer: Inventories]

+ References

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