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Fees to Auditors - Summary of Fees to Auditors (Detail) - SEK (kr) kr in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Auditors Remuneration [line items] |  |  |
Audit fees | kr 106 | kr 105 | kr 102
Audit-related fees | 8 | 12 | 13
Tax fees | 10 | 21 | 11
Other fees | 7 | 12 | 15
Total | 131 | 150 | 141
Deloitte [member] |  |  |
Auditors Remuneration [line items] |  |  |
Audit fees | 97 |  |
Audit-related fees | 8 |  |
Tax fees | 4 |  |
Other fees | 5 |  |
Total | 114 |  |
Others [member] |  |  |
Auditors Remuneration [line items] |  |  |
Audit fees | 9 | 9 | 4
Audit-related fees |  |  | 2
Tax fees | 6 | 11 | 2
Other fees | 2 | 6 | 6
Total | kr 17 | 26 | 14
PwC [member] |  |  |
Auditors Remuneration [line items] |  |  |
Audit fees |  | 96 | 98
Audit-related fees |  | 12 | 11
Tax fees |  | 10 | 9
Other fees |  | 6 | 9
Total |  | kr 124 | kr 127

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- Definition The amount of fees paid or payable to the entity's auditors. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of fees paid or payable to the entity's auditors for auditing services. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of fees paid or payable to the entity's auditors for tax services. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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