XML 132 R108.htm IDEA: XBRL DOCUMENT v3.20.4

Financial Risk Management and Financial Instruments - Summary of Immediate Impact on Net Loss Before Tax (Details) kr in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020 SEK (kr)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 SEK (kr)	Dec. 31, 2019 USD ($)
Disclosure of detailed information about financial instruments [abstract]
(Increase)/decrease in loss before tax	kr (13)	$ 67	kr (13)	$ 121

X

- Definition

Increase (decrease) in loss before income taxes resulting from a specified percentage change in closing exchange rate of the specified currency.

+ References

No definition available.

+ Details

Name:	ck0001639920_IncreaseDecreaseInLossBeforeTaxes
Namespace Prefix:	ck0001639920_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfFinancialInstrumentsAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration