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Other assets and liabilities F.1. Trade receivables (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | $ 351 | $ 371 | [1]
Neither past due nor impaired |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 216 | 241 |
Gross |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 649 | 636 |
Provisions |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | (298) | (265) |
30–90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 90 | 88 |
Greater than 90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 45 | 43 |
Telecom operators |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 25 | 40 |
Telecom operators | Neither past due nor impaired |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 15 | 23 |
Telecom operators | 30–90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 7 | 9 |
Telecom operators | Greater than 90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 3 | 8 |
Own customers |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 266 | 270 |
Own customers | Neither past due nor impaired |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 167 | 177 |
Own customers | 30–90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 65 | 63 |
Own customers | Greater than 90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 34 | 29 |
Others |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 60 | 60 |
Others | Neither past due nor impaired |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 34 | 40 |
Others | 30–90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | 19 | 15 |
Others | Greater than 90 days | Past due (net of impairments) |  |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |  |
Trade receivables, net | $ 8 | $ 5 |
[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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