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Long-term assets (Tables) | 12 Months Ended
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Dec. 31, 2018
Subclassifications of assets, liabilities and equities [abstract] |
Disclosure of intangible assets useful lives | Estimated useful lives are:
| Years
Estimated useful lives |
Trademarks | 1 to 15
Customer lists | 4 to 20
Movements in intangible assets and goodwill | Movements in intangible assets in 2018
| Goodwill |  | Licenses |  | Customer lists |  | IRUs |  | Trademarks |  | Other(i) |  | Total
| (US$ millions)
Opening balance, net | 599 |  |  | 324 |  |  | 33 |  |  | 105 |  |  | 10 |  |  | 194 |  |  | 1,265 |
Change in scope (ii) | 512 |  |  | — |  |  | 370 |  |  | — |  |  | 280 |  |  | 23 |  |  | 1,185 |
Additions | — |  |  | 66 |  |  | — |  |  | 2 |  |  | — |  |  | 91 |  |  | 158 |
Amortization charge | — |  |  | (48 | ) |  | (11 | ) |  | (14 | ) |  | (8 | ) |  | (65 | ) |  | (144 | )
Impairment | (6 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (6 | )
Disposals, net | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Transfers | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (16 | ) |  | (16 | )
Transfers to/from assets held for sale (see note E.3.) | — |  |  | (12 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | (12 | )
Exchange rate movements | (28 | ) |  | (12 | ) |  | (1 | ) |  | (5 | ) |  | — |  |  | (9 | ) |  | (55 | )
Closing balance, net | 1,077 |  |  | 318 |  |  | 391 |  |  | 89 |  |  | 282 |  |  | 218 |  |  | 2,374 |
Cost or valuation | 1,077 |  |  | 646 |  |  | 581 |  |  | 176 |  |  | 325 |  |  | 646 |  |  | 3,451 |
Accumulated amortization and impairment | — |  |  | (328 | ) |  | (190 | ) |  | (87 | ) |  | (43 | ) |  | (428 | ) |  | (1,077 | )
Net | 1,077 |  |  | 318 |  |  | 391 |  |  | 89 |  |  | 282 |  |  | 218 |  |  | 2,374 |
Movements in intangible assets in 2017
| Goodwill |  | Licenses |  | Customer lists |  | IRUs |  | Trademarks |  | Other(i) |  | Total
| (US$ millions)
Opening balance, net | 615 |  |  | 380 |  |  | 32 |  |  | 114 |  |  | 18 |  |  | 200 |  |  | 1,359 |
Change in scope (ii) | 3 |  |  | — |  |  | 15 |  |  | — |  |  | — |  |  | 1 |  |  | 20 |
Additions | — |  |  | 40 |  |  | — |  |  | (2 | ) |  | — |  |  | 92 |  |  | 130 |
Amortization charge | — |  |  | (49 | ) |  | (15 | ) |  | (14 | ) |  | (8 | ) |  | (67 | ) |  | (153 | )
Impairment | (7 | ) |  | (8 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | (15 | )
Disposals, net | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (1 | ) |  | (1 | )
Transfers | (2 | ) |  | 3 |  |  | — |  |  | 8 |  |  | — |  |  | (28 | ) |  | (19 | )
Transfers to/from assets held for sale (see note E.3.) | (8 | ) |  | (50 | ) |  | (1 | ) |  | — |  |  | — |  |  | (5 | ) |  | (64 | )
Exchange rate movements | (1 | ) |  | 7 |  |  | 1 |  |  | — |  |  | — |  |  | 2 |  |  | 9 |
Closing balance, net | 599 |  |  | 324 |  |  | 33 |  |  | 105 |  |  | 10 |  |  | 194 |  |  | 1,265 |
Cost or valuation | 599 |  |  | 650 |  |  | 225 |  |  | 181 |  |  | 49 |  |  | 584 |  |  | 2,288 |
Accumulated amortization and impairment | — |  |  | (327 | ) |  | (192 | ) |  | (76 | ) |  | (39 | ) |  | (389 | ) |  | (1,022 | )
Net | 599 |  |  | 324 |  |  | 33 |  |  | 105 |  |  | 10 |  |  | 194 |  |  | 1,265 |
(i) Other includes mainly software costs (ii) See note A.1.2.
Cash used for purchases of long-term assets | Cash used for intangible asset additions
| 2018 |  | 2017
| (US$ millions)
Additions | 158 |  |  | 130 |
Change in accruals and payables for intangibles | (10 | ) |  | 3 |
Cash used for additions | 148 |  |  | 133 |
Cash used for property, plant and equipment additions
| 2018 |  | 2017 |  | 2016
| (US$ millions)
Additions | 698 |  |  | 824 |  |  | 683 |
Change in advances to suppliers | 2 |  |  | (8 | ) |  | (16 | )
Change in accruals and payables for property, plant and equipment | (25 | ) |  | 26 |  |  | 51 |
Finance leases | (43 | ) |  | (192 | ) |  | 1 |
Cash used for additions | 632 |  |  | 650 |  |  | 719 |
Allocation of goodwill to cash generating units | Allocation of Goodwill to cash generating units (CGUs), net of exchange rate movements and after impairment
| 2018 |  | 2017
| (US$ millions)
Panama (see note A.1.2.) | 512 |  |  | — |
El Salvador | 194 |  |  | 194 |
Costa Rica | 116 |  |  | 123 |
Paraguay | 54 |  |  | 57 |
Colombia | 183 |  |  | 199 |
Tanzania (Zantel) (see note E.1.6.) | 4 |  |  | 10 |
Other | 15 |  |  | 16 |
Total | 1,077 |  |  | 599 |
Discount rates used in determining recoverable amount
| Discount rate after tax (%)
| 2018 |  | 2017
Bolivia | 10.2 |  | 11.2
Chad | 14.8 |  | 15.8
Colombia | 8.9 |  | 9.9
Costa Rica | 10.2 |  | 11.9
El Salvador | 11.7 |  | 13.2
Paraguay | 9.8 |  | 10.2
Rwanda (See note A.1.3.) | n/a |  | 14.7
Tanzania | 14.4 |  | 14.6
Schedule of property, plant and equipment and movements in tangible assets |
Estimated useful lives |  | Duration
Buildings |  | 40 years or lease period, if shorter
Networks (including civil works) |  | 5 to 15 years or lease period, if shorter
Other |  | 2 to 7 years
Movements in tangible assets in 2018
| Network equipment(ii) |  | Land and buildings |  | Construction in progress |  | Other(i) |  | Total
| (US$ millions)
Opening balance, net | 2,399 |  |  | 147 |  |  | 206 |  |  | 128 |  |  | 2,880 |
Change in scope (see note A.1.2.) | 276 |  |  | 46 |  |  | 32 |  |  | — |  |  | 354 |
Additions | 63 |  |  | 1 |  |  | 626 |  |  | 7 |  |  | 698 |
Impairments/reversal of impairment,net | 1 |  |  | — |  |  | — |  |  | — |  |  | 1 |
Disposals, net | (24 | ) |  | (2 | ) |  | (2 | ) |  | — |  |  | (29 | )
Depreciation charge | (631 | ) |  | (11 | ) |  | — |  |  | (43 | ) |  | (685 | )
Asset retirement obligations | 14 |  |  | 1 |  |  | — |  |  | — |  |  | 15 |
Transfers | 551 |  |  | 9 |  |  | (568 | ) |  | 14 |  |  | 6 |
Transfers from/(to) assets held for sale (see note E.3.) | (45 | ) |  | (3 | ) |  | (2 | ) |  | (2 | ) |  | (52 | )
Exchange rate movements | (124 | ) |  | (8 | ) |  | (8 | ) |  | (7 | ) |  | (147 | )
Closing balance, net | 2,480 |  |  | 181 |  |  | 284 |  |  | 97 |  |  | 3,041 |
Cost or valuation | 6,802 |  |  | 252 |  |  | 284 |  |  | 409 |  |  | 7,747 |
Accumulated amortization and impairment | (4,322 | ) |  | (71 | ) |  | — |  |  | (312 | ) |  | (4,706 | )
Net at December 31, 2018 | 2,480 |  |  | 181 |  |  | 284 |  |  | 97 |  |  | 3,041 |
Movements in tangible assets in 2017
| Network equipment(ii) |  | Land and buildings |  | Construction in progress |  | Other(i) |  | Total
| (US$ millions)
Opening balance, net | 2,525 |  |  | 147 |  |  | 250 |  |  | 135 |  |  | 3,057 |
Change in scope | 2 |  |  | 1 |  |  | — |  |  | — |  |  | 3 |
Additions | 201 |  |  | — |  |  | 616 |  |  | 7 |  |  | 824 |
Impairments/reversal of impairment,net | (6 | ) |  | — |  |  | 1 |  |  | (2 | ) |  | (8 | )
Disposals, net | (115 | ) |  | — |  |  | 3 |  |  | (1 | ) |  | (114 | )
Depreciation charge | (663 | ) |  | (9 | ) |  | — |  |  | (53 | ) |  | (725 | )
Asset retirement obligations | 18 |  |  | 2 |  |  | — |  |  | — |  |  | 20 |
Transfers | 613 |  |  | 7 |  |  | (650 | ) |  | 48 |  |  | 19 |
Transfers from/(to) assets held for sale (see note E.3.) | (184 | ) |  | (3 | ) |  | (16 | ) |  | (8 | ) |  | (211 | )
Exchange rate movements | 9 |  |  | 2 |  |  | 3 |  |  | 1 |  |  | 15 |
Closing balance, net | 2,399 |  |  | 147 |  |  | 206 |  |  | 128 |  |  | 2,880 |
Cost or valuation | 6,164 |  |  | 191 |  |  | 206 |  |  | 477 |  |  | 7,038 |
Accumulated amortization and impairment | (3,764 | ) |  | (44 | ) |  | — |  |  | (349 | ) |  | (4,158 | )
Net at December 31, 2017 | 2,399 |  |  | 147 |  |  | 206 |  |  | 128 |  |  | 2,880 |
(i) | Other mainly includes office equipment and motor vehicles.
(ii) | The net carrying amount of network equipment under finance leases at December 31, 2018, was $307 million (2017: $329 million).
Schedule of assets and liabilities reclassified as held for sale | The following table summarizes the nature of the assets and liabilities reported under assets held for sale and liabilities directly associated with assets held for sale as at December 31, 2018 and 2017:
| As at December 31,
| 2018 |  | 2017
| (US$ millions)
Assets and liabilities reclassified as held for sale |  |  |
Senegal operations | — |  |  | 223 |
Towers Paraguay (see note C.3.4.) | 2 |  |  | 7 |
Towers Colombia (see note C.3.4.) | — |  |  | 1 |
Towers El Salvador (see note C.3.4.) | 1 |  |  | — |
Other | — |  |  | 2 |
Total assets of held for sale | 3 |  |  | 233 |
Senegal operations | — |  |  | 77 |
Towers Paraguay | — |  |  | 2 |
Total liabilities directly associated with assets held for sale | — |  |  | 79 |
Net assets held for sale / book value | 3 |  |  | 154 |
The assets and liabilities deconsolidated as a result of the Ghana merger were as follows: Assets and liabilities reclassified as held for sale – Ghana
| October 12, 2017
| (US$ millions)
Intangible assets, net | 12 |
Property, plant and equipment, net | 77 |
Current assets | 29 |
Cash and cash equivalents | 8 |
Total assets of disposal group held for sale | 126 |
Non-current financial liabilities | 51 |
Current liabilities | 50 |
Total liabilities of disposal group held for sale | 102 |
Net assets / book value | 24 |
Schedule of assets and liabilities disposed of | Assets and liabilities disposed of in respect of our operations in Rwanda
| January 31, 2018
| (US$ millions)
Intangible assets, net | 12 |
Property, plant and equipment, net | 53 |
Other non-current assets | 4 |
Current assets | 14 |
Cash and cash equivalents | 2 |
Total assets of disposal group held for sale | 85 |
Non-current financial liabilities | 11 |
Current liabilities | 28 |
Total liabilities of disposal group held for sale | 40 |
Net assets held for sale / book value | 46 |
Assets and liabilities disposed of in respect of our operations in Senegal
| April 27, 2018
| (US$ millions)
Intangible assets, net | 40 |
Property, plant and equipment, net | 126 |
Other non-current assets | 2 |
Current assets | 56 |
Cash and cash equivalents | 3 |
Total assets of disposal group held for sale | 227 |
Non-current financial liabilities | 8 |
Current liabilities | 73 |
Total liabilities of disposal group held for sale | 81 |
Net assets held for sale / book value | 146 |
Schedule of discontinued operations | Results from discontinued operations
| Year ended December 31,
| 2018 |  | 2017 |  | 2016
| (US$ millions)
Revenue | 62 |  |  | 299 |  |  | 371 |
Cost of sales | (23 | ) |  | (95 | ) |  | (119 | )
Operating expenses | (26 | ) |  | (131 | ) |  | (174 | )
Depreciation and amortization | — |  |  | (37 | ) |  | (79 | )
Other operating income (expenses), net | (10 | ) |  | (4 | ) |  | (6 | )
Gain on disposal of discontinued operations | (29 | ) |  | 39 |  |  | 32 |
Other expenses linked to the disposal of discontinued operations | (10 | ) |  | (7 | ) |  | (19 | )
Operating profit (loss) | (36 | ) |  | 64 |  |  | 6 |
Interest income (expense), net | (3 | ) |  | (20 | ) |  | (23 | )
Other non-operating (expenses) income, net | — |  |  | 6 |  |  | (10 | )
Profit (loss) before taxes | (39 | ) |  | 51 |  |  | (26 | )
Credit (charge) for taxes, net | — |  |  | — |  |  | 6 |
Net profit (loss) from discontinued operations | (39 | ) |  | 51 |  |  | (20 | )
Cash flows from discontinued operations
| Year ended December 31,
| 2018 |  | 2017 |  | 2016
| (US$ millions)
Cash from (used in) operating activities, net | (4 | ) |  | 26 |  |  | 10 |
Cash from (used in) investing activities, net | (6 | ) |  | (33 | ) |  | (53 | )
Cash from (used in) financing activities, net | — |  |  | (22 | ) |  | 18 |

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