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Information Regarding Members of the Board of Directors and Group Management - Summary of Remuneration Costs for the President and CEO and Other Members of Executive Team (ET) (Detail) - Board of directors [member] - SEK (kr) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Classes Of Employee Benefits Expense [line items] |  |
Salary | kr 128,252,290 | kr 115,790,992
Annual variable remuneration provision earned for the year | 52,507,185 | 37,992,529
Long-term variable compensation provision | 91,962,483 | 82,348,162
Pension costs | 50,455,851 | 48,799,296
Other beneﬁts | 11,755,319 | 15,130,689
Social charges and taxes | 80,103,179 | 73,882,014
Total | 415,036,307 | 373,943,682
The President and CEO [member] |  |
Classes Of Employee Benefits Expense [line items] |  |
Salary | 18,208,859 | 17,727,726
Long-term variable compensation provision | 43,701,650 | 41,110,656
Pension costs | 9,569,049 | 9,113,376
Other beneﬁts | 555,688 | 770,276
Social charges and taxes | 22,633,474 | 21,592,463
Total | 94,668,720 | 90,314,497
Other Members of Executive Team [member] |  |
Classes Of Employee Benefits Expense [line items] |  |
Salary | 110,043,431 | 98,063,266
Annual variable remuneration provision earned for the year | 52,507,185 | 37,992,529
Long-term variable compensation provision | 48,260,833 | 41,237,506
Pension costs | 40,886,802 | 39,685,920
Other beneﬁts | 11,199,631 | 14,360,413
Social charges and taxes | 57,469,705 | 52,289,551
Total | kr 320,367,587 | kr 283,629,185

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- Definition Cost for annual variable remuneration earned in year to be paid year after. + References No definition available. + Details
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- Definition The amount of remuneration paid or payable to the entity's directors. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of compensation to key management personnel in the form of other long-term employee benefits. [Refer: Other long-term employee benefits; Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2021-01-01 -Paragraph 17 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of employee expenses that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 5 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_5&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of post-employment benefit expense included in profit or loss relating to defined benefit plans. [Refer: Profit (loss); Defined benefit plans [member]] [Contrast: Increase (decrease) in net defined benefit liability (asset) resulting from expense (income) in profit or loss] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 5 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_5&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 135 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_135_b&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition A class of employee benefits expense that represents social security contributions. [Refer: Employee benefits expense] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 9 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_9&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition A class of employee benefits expense that represents wages and salaries. [Refer: Employee benefits expense] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 9 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_9&doctype=Standard -URIDate 2021-03-24 + Details
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