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Income taxes (Table)
6 Months Ended
Jun. 30, 2021
Income taxes [abstract]  
Significant components of income tax expense [Table Text Block]
QuartersFirst halfFull year
Q2 2021Q1 2021Q2 2020(in USD million)202120202020
4,9054,513(720)Income/(loss) before tax9,417(640)(4,259)
(2,962)(2,659)469Income tax(5,620)(316)(1,237)
60.4%58.9%65.2%Effective tax rate59.7%(49.5%)(29.0%)