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Interest-Bearing Liabilities - Reconciliation of Liabilities Arising from Financing Activities (Detail) - SEK (kr) kr in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |  |
Opening balance | kr 30,160 |  |  |  |
Cash ﬂows |  |  |  |  |
Proceeds from issuance of borrowings | 7,882 |  | kr 3,219 |  | kr 5,050
Repayment of borrowings | (5,791) |  | (9,031) |  | (4,134)
Other ﬁnancing activities | (2,183) |  | 1,570 |  | (573)
Lease payments | (2,368) | [1] | (2,417) | [1] | (2,990)
Non-cash changes |  |  |  |  |
Closing balance | 31,831 |  | 30,160 |  |
Liabilities Arising From Financing Activities [Member] |  |  |  |  |
Disclosure Of Detailed Information About Borrowings [Line Items] |  |  |  |  |
Opening balance | 39,460 |  | 47,578 |  |
Cash ﬂows |  |  |  |  |
Proceeds from issuance of borrowings | 7,882 |  | 3,220 |  |
Repayment of borrowings | (5,791) |  | (9,031) |  |
Other ﬁnancing activities | (2,128) |  | 1,568 |  |
Lease payments | (2,368) |  | (2,417) |  |
Non-cash changes |  |  |  |  |
Effect of foreign exchange movement | 2,621 |  | (4,030) |  |
Revaluation due to changes in credit risk | (31) |  | (99) |  |
Other changes in fair value | (415) |  | 136 |  |
Acquisition of new lease contracts | 2,009 |  | 2,604 |  |
Other non-cash movements | (105) |  | (69) |  |
Closing balance | kr 41,134 |  | kr 39,460 |  | kr 47,578
[1] | Including advance payments.

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