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Financial risk management - D.1.2. Interest rate swap contracts (Details) - Dec. 31, 2019 - Interest rate swap - Interest rate risk $ in Millions, kr in Billions	USD ($)	SEK (kr)
Disclosure of nature and extent of risks arising from financial instruments [line items]
Derivative notional amount	$ 211.0	kr 2
Derivative financial liabilities held for hedging	0.2
El Salvador and Costa Rica
Disclosure of nature and extent of risks arising from financial instruments [line items]
Derivative financial liabilities held for hedging	$ 17.0

X

- Definition

The amount of derivative financial liabilities held for hedging. [Refer: Derivative financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-IssueDate 2019-01-01
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