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Financial Instruments - Derivative (Detail) $ in Thousands, $ in Thousands | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2019 MXN ($) $ / $ Institution | Dec. 31, 2018 MXN ($) $ / $ | Dec. 31, 2017 MXN ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 MXN ($) | Jul. 31, 2019 MXN ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 MXN ($) | Jan. 31, 2018 MXN ($) | Nov. 30, 2017 MXN ($)
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Assets |  |  |  |  | $ 4,592 |  |  | $ 1,035,522 |  |
Carrying Value, Liabilities |  |  |  |  | 915,290 |  |  | 148,061 |  |
Notional Amount |  |  |  |  | 122,378,292 |  |  |  |  |
Designated as hedging instruments |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Notional Amount |  |  |  | $ 2,470,600 | 46,653,315 |  | $ 2,585,800 | 50,869,542 |  |
Designated as hedging instruments | Interest rate swap maturity at April 2021 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Assets |  |  |  |  |  |  |  | 340,153 |  |
Notional Amount |  |  |  |  |  |  |  | 6,000,000 |  |
Designated as hedging instruments | Interest rate swap maturity at May 2022 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Assets |  |  |  |  |  |  |  | 299,560 |  |
Notional Amount |  |  |  |  |  |  |  | 5,000,000 |  |
Designated as hedging instruments | Interest rate swap maturity at October 2022 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Assets |  |  |  |  | 38,543 |  |  | 85,073 |  |
Notional Amount |  |  |  |  | 2,000,000 |  |  | 2,000,000 |  | $ 2,000,000
Cumulative gain (loss) on change in fair value of hedge instruments | $ (38,543) | $ 85,073 |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | 20,933 | 12,374 |  |  |  |  |  |  |  |
Designated as hedging instruments | Interest rate swap maturity in October 2022 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Assets |  |  |  |  | 30,702 |  |  | 63,420 |  |
Notional Amount |  |  | $ 1,500,000 |  | $ 1,500,000 |  |  | $ 1,500,000 |  |
Borrowing interest rate (as a percent) |  |  |  | 7.35% | 7.35% |  | 7.35% | 7.35% |  |
Cumulative gain (loss) on change in fair value of hedge instruments | (30,702) | 63,420 |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | 15,472 |  |  |  |  |  |  |  |  |
Designated as hedging instruments | Interest rate swap maturity at February 2023 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Assets |  |  |  |  | $ 83,122 |  |  | $ 76,876 |  |
Notional Amount |  |  |  |  | 2,500,000 |  |  | $ 2,500,000 | $ 2,500,000 |
Borrowing interest rate (as a percent) |  |  |  |  |  |  | 7.7485% | 7.7485% |  |
Cumulative gain (loss) on change in fair value of hedge instruments | (83,122) | $ 76,876 |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | 16,167 |  |  |  |  |  |  |  |  |
Designated as hedging instruments | Interest rate swap maturity at June 2024 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Assets |  |  |  |  | 185,205 |  |  |  |  |
Notional Amount |  |  |  |  | $ 6,000,000 | $ 6,000,000 |  |  |  |
Borrowing interest rate (as a percent) |  |  |  | 7.3873% | 7.3873% |  |  |  |  |
Cumulative gain (loss) on change in fair value of hedge instruments | (185,205) |  |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | $ 21,488 |  |  |  |  |  |  |  |  |
Designated as hedging instruments | Forward maturity at January 2020 through September 2020 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Assets |  |  |  |  | $ 144,466 |  |  |  |  |
Notional Amount |  |  |  | $ 218,688 |  |  | $ 224,000 |  |  |
Average foreign exchange rate | $ / $ | 19.9256 | 19.6767 |  |  |  |  |  |  |  |
Cumulative gain (loss) on change in fair value of hedge instruments | $ (144,466) | $ 100,922 |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | $ (107,440) | (153,853) |  |  |  |  |  |  |  |
Designated as hedging instruments | Forward maturity at January 2019 through November 2019 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Assets |  |  |  |  |  |  |  | $ 100,922 |  |
Notional Amount |  |  |  |  |  |  | 224,000 |  |  |
Designated as hedging instruments | TVI | Interest rate swap maturity between May 2020 through May 2022 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Assets |  |  |  |  | 4,592 |  |  |  |  |
Notional Amount |  |  |  |  | 407,200 |  |  |  |  |
Number of financial institutions for derivative agreements | Institution | 2 |  |  |  |  |  |  |  |  |
Cumulative gain (loss) on change in fair value of hedge instruments | $ (54,383) | 21,722 |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | 26,962 | 33,692 |  |  |  |  |  |  |  |
Designated as hedging instruments | TVI | Interest rate swap maturity between April 2019 through May 2022 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Assets |  |  |  |  |  |  |  | 37,251 |  |
Notional Amount |  |  |  |  |  |  |  | 1,188,667 |  |
Designated as hedging instruments | TVI | Interest rate swap maturity at April 2022 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Assets |  |  |  |  | 8,943 |  |  | 32,267 |  |
Notional Amount |  |  |  |  | $ 938,182 |  |  | 1,145,871 |  |
Borrowing interest rate (as a percent) |  |  |  | 7.2663% | 7.2663% |  |  |  |  |
Cumulative gain (loss) on change in fair value of hedge instruments | (8,943) | 32,267 |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | 11,738 | 8,881 |  |  |  |  |  |  |  |
Designated as hedging instruments | Average fixed rate | Interest rate swap maturity at October 2022 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Borrowing interest rate (as a percent) |  |  |  | 7.3275% | 7.3275% |  |  |  |  |
Designated as hedging instruments | Average fixed rate | TVI | Interest rate swap maturity between May 2020 through May 2022 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Borrowing interest rate (as a percent) |  |  |  | 5.508% | 5.508% |  |  |  |  |
Not designated as hedging instruments | Interest rate swap maturity at April 2021 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Notional Amount |  |  |  |  |  |  |  | 6,000,000 |  |
Gains on change in fair value of derivatives | 152,415 |  |  |  |  |  |  |  |  |
Cumulative gain (loss) on change in fair value of hedge instruments |  | 340,153 |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | 248,420 | 119,975 | 58,278 |  |  |  |  |  |  |
Not designated as hedging instruments | Interest rate swap maturity at May 2022 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Gains on change in fair value of derivatives | 44,333 |  |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | $ 106,515 | $ 69,483 | $ 26,457 |  |  |  |  |  |  |
Not designated as hedging instruments | Forward maturity at January 2020 through October 2020 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Liabilities |  |  |  |  | $ 242,777 |  |  |  |  |
Notional Amount |  |  |  | $ 361,550 |  |  | 491,400 |  |  |
Average foreign exchange rate | $ / $ | 19.9898 | 20.3561 |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | $ (820,585) |  |  |  |  |  |  |  |  |
Gains (loss) on change in fair value of derivatives |  | $ (331,946) |  |  |  |  |  |  |  |
Not designated as hedging instruments | Forward maturity at January 2019 through October 2019 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Liabilities |  |  |  |  |  |  |  | 99,979 |  |
Notional Amount |  |  |  |  |  |  | 491,400 |  |  |
Not designated as hedging instruments | TVI | Forward maturity at January 2020 through October 2020 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Liabilities |  |  |  |  | 45,968 |  |  |  |  |
Notional Amount |  |  |  | 66,000 |  |  |  |  |  |
Average foreign exchange rate | $ / $ | 20.0094 |  |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | $ (149,389) |  |  |  |  |  |  |  |  |
Not designated as hedging instruments | TVI | Forward maturity at January 2019 through October 2019 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Liabilities |  |  |  |  |  |  |  | 10,255 |  |
Notional Amount |  |  |  |  |  |  | 75,000 |  |  |
Not designated as hedging instruments | Empresas Cablevision | Forward maturity at January 2020 through October 2020 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Liabilities |  |  |  |  | 48,474 |  |  |  |  |
Notional Amount |  |  |  | 73,000 |  |  |  |  |  |
Average foreign exchange rate | $ / $ | 20.0049 |  |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | $ (147,383) |  |  |  |  |  |  |  |  |
Not designated as hedging instruments | Empresas Cablevision | Forward maturity at January 2019 through October 2019 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Liabilities |  |  |  |  |  |  |  | 10,518 |  |
Notional Amount |  |  |  |  |  |  | 82,000 |  |  |
Not designated as hedging instruments | Sky forward | Forward maturity at January 2020 through September 2020 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Liabilities |  |  |  |  | $ 87,090 |  |  |  |  |
Notional Amount |  |  |  | $ 127,850 |  |  |  |  |  |
Average foreign exchange rate | $ / $ | 20.0001 |  |  |  |  |  |  |  |  |
Gain (loss) on change in fair value of hedge instruments | $ (115,189) |  |  |  |  |  |  |  |  |
Not designated as hedging instruments | Sky forward | Forward maturity at January 2019 through August 2019 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Carrying Value, Liabilities |  |  |  |  |  |  |  | $ 27,309 |  |
Notional Amount |  |  |  |  |  |  | $ 38,600 |  |  |
Not designated as hedging instruments | Fixed interest rate | Interest rate swap maturity at April 2021 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Borrowing interest rate (as a percent) |  |  |  |  |  |  | 5.9351% | 5.9351% |  |
Not designated as hedging instruments | Fixed interest rate | Interest rate swap maturity at May 2022 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Borrowing interest rate (as a percent) |  |  |  |  |  |  | 6.5716% | 6.5716% |  |
Not designated as hedging instruments | TIIE | Interest rate swap maturity at April 2021 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Borrowing interest rate (as a percent) |  |  |  |  |  |  | 0.35% | 0.35% |  |
Not designated as hedging instruments | TIIE | Interest rate swap maturity at May 2022 |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |
Borrowing interest rate (as a percent) |  |  |  | 0.35% | 0.35% |  | 0.35% | 0.35% |  |

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