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Financial Risk Management - Disclosure of Customer Finance Fair Value Reconciliation (Parenthetical) (Detail) - SEK (kr) kr in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disclosure Of Customer Finance Reconciliation [Abstract]
Revaluation gain selling and administrative expenses	kr 6
Revaluation loss selling and administrative expenses		kr 209
Net gain from revaluation of customer finance receivables	kr 6
Net loss from revaluation of customer finance receivables		kr 209	kr 15

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- Definition

Disclosure of customer finance reconciliation.

+ References

No definition available.

+ Details

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- Definition

Net gain from revaluation of customer finance receivables.

+ References

No definition available.

+ Details

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- Definition

Net loss from revaluation of customer finance receivables.

+ References

No definition available.

+ Details

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- Definition

Revaluation gain selling and administrative expenses.

+ References

No definition available.

+ Details

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- Definition

Revaluation loss selling and administrative expenses.

+ References

No definition available.

+ Details

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