XML 529 R51.htm IDEA: XBRL DOCUMENT v3.22.0.1
Performance B.6.1 Income tax expense (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income tax (charge) credit      
Withholding tax $ (56) $ (83) $ (56)
Other income tax relating to the current year (112) (65) (88)
Adjustments in respect of prior years (18) (29) (7)
Current tax expense (income) and adjustments (186) (177) (151)
Deferred tax (charge) credit      
Origination and reversal of temporary differences 73 99 58
Effect of change in tax rates 29 (5) (8)
Tax income (expense) before valuation allowances 102 94 50
Effect of valuation allowances (87) (19) (9)
Deferred tax expense (income) 15 75 41
Adjustments in respect of prior years (18) 0 (10)
Deferred tax expense (income) and adjustments (3) 75 31
Income Tax Calculation:      
Profit before tax   (271) 218
Tax at the weighted average statutory rate   82 (37)
Effect of:      
Items taxed at a different rate   1 (1)
Change in tax rates on deferred tax balances   (5) (8)
Expenditure not deductible and income not taxable   (106) (37)
Unrelieved withholding tax   (83) (56)
Accounting for associates and joint ventures   42 36
Movement in deferred tax on unremitted earnings   15 9
Unrecognized deferred tax assets   (27) (20)
Recognition of previously unrecognized deferred tax assets   8 11
Adjustments in respect of prior years   (29) (17)
Total tax (charge) credit (189) [1] $ (102) $ (120)
Weighted average statutory tax rate   30.30% 17.00%
Effective tax rate   (37.50%) 55.00%
Discontinued operations      
Income Tax Calculation:      
Profit before tax   $ (11) $ 59
Tax at the weighted average statutory rate   3 (11)
Effect of:      
Items taxed at a different rate   0 0
Change in tax rates on deferred tax balances   0 0
Expenditure not deductible and income not taxable   (3) 9
Unrelieved withholding tax   0 0
Accounting for associates and joint ventures   0 0
Movement in deferred tax on unremitted earnings   0 0
Unrecognized deferred tax assets   0 0
Recognition of previously unrecognized deferred tax assets   0 0
Adjustments in respect of prior years   (2) 0
Total tax (charge) credit 0 (2) (2)
Aggregate continuing and discontinued operations      
Income Tax Calculation:      
Profit before tax 732 (282) 277
Tax at the weighted average statutory rate (154) 85 (48)
Effect of:      
Items taxed at a different rate 9 1 (1)
Change in tax rates on deferred tax balances 29 (5) (8)
Expenditure not deductible and income not taxable 79 (109) (28)
Unrelieved withholding tax (55) (83) (56)
Accounting for associates and joint ventures 41 42 36
Movement in deferred tax on unremitted earnings (15) 15 9
Unrecognized deferred tax assets (144) (27) (20)
Recognition of previously unrecognized deferred tax assets 57 8 11
Adjustments in respect of prior years (36) (31) (17)
Total tax (charge) credit $ (189) $ (104) $ (122)
Weighted average statutory tax rate 21.00% 30.10% 17.30%
Effective tax rate 25.80% (36.80%) 44.00%
Bottom of range      
Effect of:      
Weighted average statutory tax rate 10.00% 10.00% 10.00%
Top of range      
Effect of:      
Weighted average statutory tax rate 35.00% 35.00% 37.00%
[1] (i)    Tigo Guatemala is fully consolidated since the acquisition of the remaining 45% shareholding on November 12, 2021. See note A.1.2. for further details. As a result, numbers might not be directly comparable with previous years' figures.