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Performance B.6.3 Deferred tax (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Beginning of period | $ (85,000,000) | $ (34,000,000) |  |
(Charge)/credit to income statement | 75,000,000 | 31,000,000 |  |
Change in scope | 0 | (73,000,000) |  |
Transfers to assets held for sale | 0 |  |  |
Exchange differences | (2,000,000) | 0 |  |
End of period | (12,000,000) | (85,000,000) |  |
Deferred tax assets | (197,000,000) | (200,000,000) | [1] |
Deferred tax liabilities | 209,000,000 | 285,000,000 | [1] |
Deductible temporary differences | 4,943,000,000 | 4,923,000,000 |  |
Unrecognized tax losses | 4,668,000,000 | 4,705,000,000 |  | $ 4,886,000,000
Temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements for which deferred tax liabilities have not been recognised | 621,000,000 |  |  |
Deferred tax assets, intragroup dividends | 11,000,000 | 26,000,000 |  | 34,000,000
Offset |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Deferred tax assets | (189,000,000) | (52,000,000) |  |
Deferred tax liabilities | 189,000,000 | 52,000,000 |  |
Fixed assets |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Beginning of period | (223,000,000) | (178,000,000) |  |
(Charge)/credit to income statement | 81,000,000 | 41,000,000 |  |
Change in scope | 0 | (88,000,000) |  |
Transfers to assets held for sale | 0 |  |  |
Exchange differences | 0 | 2,000,000 |  |
End of period | (142,000,000) | (223,000,000) |  |
Deductible temporary differences | 57,000,000 | 92,000,000 |  |
Fixed assets | Before Offset |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Deferred tax assets | (97,000,000) | (84,000,000) |  |
Deferred tax liabilities | 239,000,000 | 307,000,000 |  |
Unused tax losses |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Beginning of period | 34,000,000 | 44,000,000 |  |
(Charge)/credit to income statement | 150,000,000 | (15,000,000) |  |
Change in scope | 0 | 5,000,000 |  |
Transfers to assets held for sale | 0 |  |  |
Exchange differences | 3,000,000 | 0 |  |
End of period | 187,000,000 | 34,000,000 |  |
Deductible temporary differences | 4,668,000,000 | 4,705,000,000 |  |
Unused tax losses | Before Offset |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Deferred tax assets | (187,000,000) | (34,000,000) |  |
Deferred tax liabilities | 0 | 0 |  |
Unremitted earnings |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Beginning of period | (25,000,000) | (34,000,000) |  |
(Charge)/credit to income statement | 15,000,000 | 8,000,000 |  |
Change in scope | 0 | 0 |  |
Transfers to assets held for sale | 0 |  |  |
Exchange differences | (1,000,000) | 1,000,000 |  |
End of period | (11,000,000) | (25,000,000) |  |
Deferred tax liabilities | 0 | 697,000,000 |  | 584,000,000
Unremitted earnings | Before Offset |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Deferred tax assets | 0 | 0 |  |
Deferred tax liabilities | 11,000,000 | 25,000,000 |  |
Other |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Beginning of period | 129,000,000 | 134,000,000 |  |
(Charge)/credit to income statement | (171,000,000) | (3,000,000) |  |
Change in scope | 0 | 4,000,000 |  |
Transfers to assets held for sale | 0 |  |  |
Exchange differences | (4,000,000) | (3,000,000) |  |
End of period | (46,000,000) | 129,000,000 |  |
Deductible temporary differences | 218,000,000 | 126,000,000 |  |
Other | Before Offset |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Deferred tax assets | (102,000,000) | (134,000,000) |  |
Deferred tax liabilities | 148,000,000 | 5,000,000 |  |
Less than 1 year |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Unrecognized tax losses | 3,000,000 | 1,000,000 |  | 0
1 to 5 years |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Unrecognized tax losses | 3,000,000 | 2,000,000 |  | 3,000,000
After five years |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Unrecognized tax losses | 1,089,000,000 | 493,000,000 |  | 493,000,000
No expiry |  |  |  |
Reconciliation of changes in deferred tax liability (asset) [abstract] |  |  |  |
Unrecognized tax losses | $ 3,573,000,000 | $ 4,209,000,000 |  | $ 4,390,000,000
[1] | The consolidated statement of financial position at December 31, 2019 has been restated after finalization of the purchase accounting of our acquisitions in Nicaragua and Panama (note A.1.2.).

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- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2019-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 54 -Subparagraph o -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_o&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 56 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_56&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The aggregate amount of temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements, for which deferred tax liabilities have not been recognised as a result of satisfying both of the following conditions: (a) the parent, investor, joint venturer or joint operator is able to control the timing of the reversal of the temporary difference; and (b) it is probable that the temporary difference will not reverse in the foreseeable future. [Refer: Associates [member]; Subsidiaries [member]; Temporary differences [member]; Investments in subsidiaries] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2019-01-01 -Paragraph 81 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_f&doctype=Standard -URIDate 2019-03-27 + Details
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