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Significant accounting policies - Exchange Rates (Details)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Brazilian real    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 5.28 5.57
Average foreign exchange rate 5.25 5.66
New Peruvian sol    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 3.81 3.99
Average foreign exchange rate 3.83 4.04
Japanese yen    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 131.32 115.18
Average foreign exchange rate 134.70 113.87
Euro    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 0.93 0.88
Average foreign exchange rate 0.94 0.88
Mexican peso    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 19.50 20.54
Average foreign exchange rate 19.60 20.90
Australian dollar    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 1.47 1.38
Average foreign exchange rate 1.48 1.40
Pound Sterling    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 0.83 0.74
Average foreign exchange rate 0.82 0.75
South African rand    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 17.01 15.94
Average foreign exchange rate 17.28 15.88
Chilean peso    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 855.86 844.69
Average foreign exchange rate 873.81 849.46
Chinese yuan    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 6.92 6.38
Average foreign exchange rate 6.98 6.37
Indian rupee    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 82.73 74.42
Average foreign exchange rate 82.52 75.40
Thai Baht    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 34.64 33.32
Average foreign exchange rate 34.76 33.55
Turkish lira    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 18.71 13.28
Average foreign exchange rate 18.66 13.54
Korean Won    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 1,259.98 1,188.79
Average foreign exchange rate 1,291.64 1,183.95
Indonesian Rupiah    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 15,570.00 14,265.00
Average foreign exchange rate 15,596.90 14,320.57
United Arab Emirates, Dirham    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 3.67 3.67
Average foreign exchange rate 3.67 3.67
Polish Zloty    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 4.37 4.06
Average foreign exchange rate 4.42 4.08
UF    
Significant accounting policies [Line Items]    
Closing foreign exchange rate 41.02 36.69
Average foreign exchange rate 40.18 36.48