XML 71 R35.htm IDEA: XBRL DOCUMENT
v3.19.1

Derivative Financial Instruments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Text block [abstract] |
Schedule of Derivative Financial Instruments Contracted | An analysis of the derivative financial instruments contracted by the Company at December 31, 2017 and 2018 is as follows:
|  | At December 31, |
|  | 2017 |  |  | 2018 |
Instrument |  | Notional amount in millions |  |  | Fair Value |  |  | Notional amount in millions |  |  | Fair Value |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Swaps US Dollar-Mexican peso |  | US$ | 2,800 |  |  |  | Ps.4,766,102 |  |  | US$ | 3,490 |  |  |  | Ps. 2,058,831 |
Swaps Euro-Mexican peso |  | € | — |  |  |  | — |  |  |  | — |  |  |  | — |
Swaps Yen-US Dollar |  | ¥ | 13,000 |  |  |  | 521,270 |  |  | ¥ | 13,000 |  |  |  | 581,948 |
Forwards US Dollar-Mexican peso |  | US$ | 1,744 |  |  |  | 1,600,666 |  |  |  | — |  |  |  | — |
Forwards US Dollar-Brazilian real |  | US$ | 100 |  |  |  | 44,280 |  |  | US$ | 150 |  |  |  | 126,287 |
Swaps Swiss Franc-US Dollar |  | CHF | 475 |  |  |  | 178,710 |  |  |  | — |  |  |  | — |
Swaps Euro-Brazilian real |  | € | 450 |  |  |  | 359,671 |  |  | € | 300 |  |  |  | 1,080,552 |
Interest rate swap |  |  | Ps.200 |  |  |  | 916 |  |  |  | — |  |  |  | — |
Forwards Brazilian Real-US Dollar |  |  | — |  |  |  | — |  |  | BRL $ | 2,823 |  |  |  | 1,107,630 |
Forwards Euro-Brazilian real |  | € | 400 |  |  |  | 330,427 |  |  | € | 150 |  |  |  | 123,005 |
Forwards US Dollar-Swiss franc |  | CHF | 75 |  |  |  | 121,981 |  |  |  | — |  |  |  | — |
Forwards Euro-US Dollar |  | € | 204 |  |  |  | 113,361 |  |  | € | 710 |  |  |  | 209,295 |
Total Assets |  |  |  |  |  |  | Ps. 8,037,384 |  |  |  |  |  |  |  | Ps. 5,287,548 |
|  | At December 31, |
|  | 2017 |  |  | 2018 |
Instrument |  | Notional amount in millions |  |  | Fair Value |  |  | Notional amount in millions |  |  | Fair Value |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Swaps US Dollar-Euro |  | US$ | 2,092 |  |  | Ps. | (8,340,970) |  |  | US$ | 2,025 |  |  | Ps. | (5,114,863) |
Swaps Pound sterling-Euro |  | £ | 740 |  |  |  | (3,376,091) |  |  | £ | 740 |  |  |  | (4,027,312) |
Swap Pound sterling-US Dollar |  | £ | 2,010 |  |  |  | (1,676,636) |  |  | £ | 2,010 |  |  |  | (5,836,607) |
Forwards US Dollar-Mexican Peso |  |  | — |  |  |  | — |  |  | US$ | 977 |  |  |  | (772,704) |
Forwards Euro-US Dollar |  |  | — |  |  |  | — |  |  | € | 950 |  |  |  | (333,586) |
Call spread option |  | € | 750 |  |  |  | (48,422) |  |  |  | — |  |  |  | — |
Put option |  | € | 374 |  |  |  | (482,645) |  |  | € | 374 |  |  |  | (988,669) |
Call spread option |  | € | 3,000 |  |  |  | (434,696) |  |  | € | 3,000 |  |  |  | (33,838) |
Total Liabilities |  |  |  |  |  | Ps. | (14,359,460) |  |  |  |  |  |  | Ps. | (17,107,579) |
Non-current liability |  |  |  |  |  | Ps. | (3,756,921) |  |  |  |  |  |  | Ps. | (3,567,863) |
Total current liability |  |  |  |  |  | Ps. | (10,602,539) |  |  |  |  |  |  | Ps. | (13,539,716) |
Summary of Maturities of Notional Amount of Derivatives | The maturities of the notional amount of the derivatives are as follows:
Instrument |  | Notional amount in millions |  |  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2022 |  |  | 2023 Thereafter |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Swaps US Dollar-Mexican peso |  | US$ |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,600 |  |  |  | 1,890 |
Swaps Yen-US Dollar |  | ¥ |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 13,000 |
Swaps Euro-Brazilian real |  | € |  |  |  |  | 300 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Forwards Brazilian Real-US Dollar |  |  | BRL |  |  |  | 1,680 |  |  |  | — |  |  |  | 1,143 |  |  |  | — |  |  |  | — |
Forwards Euro-Brazilian Real |  | € |  |  |  |  | 150 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Forwards US Dollar-Brazilian Real |  | US$ |  |  |  |  | 150 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Forwards Euro-US Dollar |  | € |  |  |  |  | 710 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Swaps US Dollar-Euro |  | US$ |  |  |  |  | 25 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,000 |
Swaps Pound sterling-Euro |  | £ |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 740 |
Swap Pound sterling-US Dollar |  | £ |  |  |  |  | — |  |  |  | 550 |  |  |  | — |  |  |  | — |  |  |  | 1,460 |
Forwards US Dollar-Mexican Peso |  | US$ |  |  |  |  | 977 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Forwards Euro-US Dollar |  | € |  |  |  |  | 950 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Put option |  | € |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 374 |
Call spread option |  | € |  |  |  |  | — |  |  |  | 3,000 |  |  |  | — |  |  |  | — |  |  |  | — |

X
- Definition Disclosure of derivative financial instruments contract. + References No definition available. + Details
Name: | amx_DisclosureOfDerivativeFinancialInstrumentsContractExplanatory
Namespace Prefix: | amx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of notional amounts of derivatives. + References No definition available. + Details
Name: | amx_DisclosureOfNotionalAmountsOfDerivativesExplanatory
Namespace Prefix: | amx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Text block [abstract] + References No definition available. + Details
Name: | amx_TextBlockAbstract
Namespace Prefix: | amx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration