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Fees to Auditors - Summary of Fees to Auditors (Detail) - SEK (kr) kr in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Auditors Remuneration [line items]
Audit fees	kr 199	kr 172	kr 170
Audit-related fees	7	6	9
Tax fees	53	25	13
All other fees	37	37	23
Total	296	240	215
Deloitte [member]
Auditors Remuneration [line items]
Audit fees	178	164	163
Audit-related fees	4	6	7
Tax fees	3	12	2
All other fees	2	0	1
Total	187	182	173
Others [member]
Auditors Remuneration [line items]
Audit fees	21	8	7
Audit-related fees	3	0	2
Tax fees	50	13	11
All other fees	35	37	22
Total	kr 109	kr 58	kr 42

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- Definition

Auditors remuneration for audit related fees.

+ References

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- Definition

The amount of fees paid or payable to the entity's auditors.

+ References

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- Definition

The amount of fees paid or payable to the entity's auditors for auditing services.

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- Definition

The amount of fees paid or payable to the entity's auditors for services that the entity does not separately disclose in the same statement or note.

+ References

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