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Information Regarding Members of the Board of Directors and Group Management - Summary of Remuneration to Members of the Board of Directors (Detail) - Board member [member] - SEK (kr) kr in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | kr 13,946,250 |
Number of previously allocated synthetic shares outstanding | 241,184 |
Net change in value of synthetic shares | kr (6,060,130) |
Committee fees | 2,869,200 |
Total fees paid in cash | 15,675,450 |
Total remuneration | 9,615,320 | kr 5,586,321
Jan Carlson [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | kr 4,500,000 |
Number of previously allocated synthetic shares outstanding | 34,041 |
Net change in value of synthetic shares | kr (837,475) |
Committee fees | 420,000 |
Total fees paid in cash | 4,920,000 |
Total remuneration | 4,082,525 | (218,839)
Jacob Wallenberg [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | kr 1,140,000 |
Number of previously allocated synthetic shares outstanding | 34,041 |
Net change in value of synthetic shares | kr (837,475) |
Committee fees | 185,000 |
Total fees paid in cash | 1,325,000 |
Total remuneration | 487,525 | (493,839)
Carolina Dybeck Happe [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | kr 1,140,000 |
Number of previously allocated synthetic shares outstanding | 10,003 |
Net change in value of synthetic shares | kr (166,650) |
Total remuneration | (166,650) | 609,182
Christy Wyatt [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | 1,140,000 |
Committee fees | 185,000 |
Total fees paid in cash | 1,325,000 |
Total remuneration | 1,325,000 |
Eric A. Elzvik [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | kr 1,140,000 |
Number of previously allocated synthetic shares outstanding | 11,345 |
Net change in value of synthetic shares | kr (279,111) |
Committee fees | 495,000 |
Total fees paid in cash | 1,635,000 |
Total remuneration | 1,355,889 | 983,791
Helena Stjernholm [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | kr 1,140,000 |
Number of previously allocated synthetic shares outstanding | 22,693 |
Net change in value of synthetic shares | kr (558,274) |
Committee fees | 185,000 |
Total fees paid in cash | 1,325,000 |
Total remuneration | 766,726 | 97,535
Jon Fredrik Baksaas [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | kr 1,140,000 |
Number of previously allocated synthetic shares outstanding | 25,391 |
Net change in value of synthetic shares | kr (619,545) |
Committee fees | 495,000 |
Total fees paid in cash | 1,635,000 |
Total remuneration | 1,015,455 | (214,424)
Jonas Synnergren [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | 1,140,000 |
Committee fees | 470,000 |
Total fees paid in cash | 1,610,000 |
Total remuneration | 1,610,000 |
Kristin S. Rinne [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | kr 1,140,000 |
Number of previously allocated synthetic shares outstanding | 16,913 |
Net change in value of synthetic shares | kr (458,693) |
Committee fees | 370,000 |
Total fees paid in cash | 1,510,000 |
Total remuneration | kr 1,051,307 | 305,308
Kurt Jofs [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Number of previously allocated synthetic shares outstanding | 11,427 |
Net change in value of synthetic shares | kr (239,336) |
Total remuneration | kr (239,336) | 1,275,090
Nora Denzel [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Number of previously allocated synthetic shares outstanding | 11,345 |
Net change in value of synthetic shares | kr (279,111) |
Total remuneration | kr (279,111) | 688,791
Ronnie Leten [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Number of previously allocated synthetic shares outstanding | 63,985 |
Net change in value of synthetic shares | kr (1,784,460) |
Total remuneration | (1,784,460) | 2,258,226
Kjell-Åke Soting [member] | Employee representatives [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | 54,750 |
Committee fees | 22,200 |
Total fees paid in cash | 76,950 |
Total remuneration | 76,950 | 58,500
Annika Salomonsson [member] | Employee representatives [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | 54,750 |
Committee fees | 14,400 |
Total fees paid in cash | 69,150 |
Total remuneration | 69,150 | 28,500
Ulf Rosberg [member] | Employee representatives [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | 54,750 |
Committee fees | 9,000 |
Total fees paid in cash | 63,750 |
Total remuneration | 63,750 | 43,500
Loredana Roslund [member] | Deputy Employee Representatives [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | 54,750 |
Total fees paid in cash | 54,750 |
Total remuneration | 54,750 | 43,500
Frans Frejdestedt [member] | Deputy Employee Representatives [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | 29,250 |
Total fees paid in cash | 29,250 |
Total remuneration | 29,250 |
Stefan Wanstedt [member] | Deputy Employee Representatives [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | 29,250 |
Total fees paid in cash | 29,250 |
Total remuneration | 29,250 |
Torbjörn Nyman [member] | Employee representatives [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | 25,500 |
Committee fees | 11,700 |
Total fees paid in cash | 37,200 |
Total remuneration | 37,200 | 66,000
Anders Ripa [member] | Employee representatives [member] |  |
Disclosure of Information About Board Management and Employees [line items] |  |
Board fees | 23,250 |
Committee fees | 6,900 |
Total fees paid in cash | 30,150 |
Total remuneration | kr 30,150 | kr 55,500

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