| Support provided to structured entity without having contractual obligation to do so | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| A positive XBRL value should normally be entered for this element. A negative XBRL value may need to be entered if this element is used with the members referenced. [Refer: Accumulated depreciation and amortisation [member]; Accumulated depreciation, amortisation and impairment [member]; Accumulated impairment [member]; Aggregate adjustment to carrying amounts reported under previous GAAP [member]; Effect of asset ceiling [member]; Effect of transition to IFRSs [member]; Elimination of intersegment amounts [member]; Financial forecast of cash inflows (outflows) for cash-generating unit, measurement input [member]; Financial forecast of profit (loss) for cash-generating unit, measurement input [member]; Increase (decrease) due to application of IFRS 15 [member]; Increase (decrease) due to changes in accounting policy [member]; Increase (decrease) due to changes in accounting policy and corrections of prior period errors [member]; Increase (decrease) due to changes in accounting policy required by IFRSs [member]; Increase (decrease) due to corrections of prior period errors [member]; Increase (decrease) due to departure from requirement of IFRS [member]; Increase (decrease) due to voluntary changes in accounting policy [member]; Material reconciling items [member]; Plan assets [member]; Present value of defined benefit obligation [member]; Redesignated amount [member]; Reinsurer's share of amount arising from insurance contracts [member]; Risk diversification effect [member]; Treasury shares [member]] | en | http://www.xbrl.org/2003/role/commentaryGuidance | http://www.xbrl.org/2003/role/link |
| The amount of financial or other support (for example, purchasing assets of, or instruments issued by, the structured entity) provided to a structured entity without having a contractual obligation to do so, including assistance in obtaining financial support. [Refer: Subsidiaries [member]; Unconsolidated structured entities [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Stöd till strukturerad enhet utan avtalsmässig förpliktelse | sv | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Beloppet för finansiellt eller annat stöd till ett konsoliderat strukturerat företag (exempelvis köp av tillgångar eller instrument som emitterats av det strukturerade företaget) som har tillhandahållits ett strukturerat företag utan avtalsmässig förpliktelse, inklusive tillhandahållande av hjälp för att få finansiellt stöd. [Se: Dotterföretag [member]; Icke-konsoliderade strukturerade företag [member]] | sv | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |