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Financial Risk Management - Cash Flow Interest Rate Risk (Details) - MXN ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Warrants issued by UHI |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of assets |  | $ 33,775,451
Assets at fair value |  | 33,775,451
Long-term loan and interest receivable from GTAC |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of assets | $ 821,253 | 872,317
Assets at fair value | 824,092 | 875,585
Increase (Decrease) of Fair Value Over Carrying Value of assets | 2,839 | 3,268
Open Ended Fund |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of assets | 1,135,803 | 4,688,202
Assets at fair value | 1,135,803 | 4,688,202
Other Equity Instruments |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of assets | 5,397,504 | 5,751,001
Assets at fair value | 5,397,504 | 5,751,001
6.625% Senior Notes due 2025 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities |  | 11,330,280
Liabilities at fair value |  | 13,243,624
Increase (Decrease) of Fair Value Over Carrying Value of liabilities |  | 1,913,344
4.625% Senior Notes due 2026 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities |  | 5,665,140
Liabilities at fair value |  | 6,079,885
Increase (Decrease) of Fair Value Over Carrying Value of liabilities |  | 414,745
Senior Notes Due 2049 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 14,961,975 | 14,162,850
Liabilities at fair value | 18,978,667 | 15,364,426
Notes due 2027 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 4,500,000 | 4,500,000
Liabilities at fair value | 5,035,860 | 4,656,375
Long-term notes payable to Mexican banks |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 19,602,893 | 22,845,382
Liabilities at fair value | 19,801,142 | 23,012,707
Other notes payable |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities |  | 1,324,063
Liabilities at fair value |  | 1,295,780
Derivative financial instruments |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of assets |  | 4,592
Assets at fair value |  | 4,592
Interest rate risk | Long-term loan and interest receivable from GTAC |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Assets Assuming a Hypothetical 10% Increase in Fair Value | 85,248 | 90,827
Interest rate risk | 6.625% Senior Notes due 2025 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value |  | 3,237,706
Interest rate risk | 4.625% Senior Notes due 2026 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value |  | 1,022,734
U.S. dollar | 6.625% Senior Notes due 2025 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 11,969,580 |
Liabilities at fair value | 14,609,830 |
Increase (Decrease) of Fair Value Over Carrying Value of liabilities | 2,640,250 |
U.S. dollar | 4.625% Senior Notes due 2026 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 5,984,790 |
Liabilities at fair value | 6,840,854 |
Increase (Decrease) of Fair Value Over Carrying Value of liabilities | 856,064 |
U.S. dollar | 8.50% Senior Notes due 2032 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 5,984,790 | 5,665,140
Liabilities at fair value | 9,193,415 | 7,571,346
Increase (Decrease) of Fair Value Over Carrying Value of liabilities | 3,208,625 | 1,906,206
U.S. dollar | 6.625% Senior Notes due 2040 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 11,969,580 | 11,330,280
Liabilities at fair value | 16,780,992 | 14,139,283
Increase (Decrease) of Fair Value Over Carrying Value of liabilities | 4,811,412 | 2,809,003
U.S. dollar | 5% Senior Notes due 2045 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 19,949,300 | 18,883,800
Liabilities at fair value | 24,282,886 | 19,739,047
Increase (Decrease) of Fair Value Over Carrying Value of liabilities | 4,333,586 | 855,247
U.S. dollar | 6.125% Senior Notes due 2046 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 17,954,370 | 16,995,420
Liabilities at fair value | 24,970,938 | 20,565,308
Increase (Decrease) of Fair Value Over Carrying Value of liabilities | 7,016,568 | 3,569,888
U.S. dollar | Senior Notes Due 2049 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 14,961,975 | 14,162,850
Liabilities at fair value | 18,978,667 | 15,364,426
Increase (Decrease) of Fair Value Over Carrying Value of liabilities | 4,016,692 | 1,201,576
U.S. dollar | Interest rate risk | 6.625% Senior Notes due 2025 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value | 4,101,233 |
U.S. dollar | Interest rate risk | 4.625% Senior Notes due 2026 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value | 1,540,149 |
U.S. dollar | Interest rate risk | 8.50% Senior Notes due 2032 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value | 4,127,967 | 2,663,341
U.S. dollar | Interest rate risk | 6.625% Senior Notes due 2040 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value | 6,489,511 | 4,222,931
U.S. dollar | Interest rate risk | 5% Senior Notes due 2045 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value | 6,761,875 | 2,829,152
U.S. dollar | Interest rate risk | 6.125% Senior Notes due 2046 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value | 9,513,662 | 5,626,419
U.S. dollar | Interest rate risk | Senior Notes Due 2049 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value | 5,914,559 | 2,738,019
Mexican peso | Notes due 2027 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 4,500,000 | 4,500,000
Liabilities at fair value | 5,035,860 | 4,656,375
Increase (Decrease) of Fair Value Over Carrying Value of liabilities | 535,860 | 156,375
Mexican peso | 8.49% Senior Notes due 2037 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 4,500,000 | 4,500,000
Liabilities at fair value | 4,087,575 | 4,133,385
Increase (Decrease) of Fair Value Over Carrying Value of liabilities | (412,425) | (366,615)
Mexican peso | 7.25% Senior Notes due 2043 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 6,500,000 | 6,500,000
Liabilities at fair value | 5,150,860 | 4,853,485
Increase (Decrease) of Fair Value Over Carrying Value of liabilities | (1,349,140) | (1,646,515)
Mexican peso | Long-term notes payable to Mexican banks |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 19,602,893 | 22,845,382
Liabilities at fair value | 19,801,142 | 23,012,707
Increase (Decrease) of Fair Value Over Carrying Value of liabilities | 198,249 | 167,325
Mexican peso | Lease liabilities |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 9,292,351 | 9,363,520
Liabilities at fair value | 9,343,100 | 9,120,903
Increase (Decrease) of Fair Value Over Carrying Value of liabilities | 50,749 | (242,617)
Mexican peso | Other notes payable |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities |  | 1,324,063
Liabilities at fair value |  | 1,295,780
Increase (Decrease) of Fair Value Over Carrying Value of liabilities |  | (28,283)
Mexican peso | Derivative financial instruments |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Carrying value of liabilities | 3,476,223 | 915,290
Liabilities at fair value | 3,476,223 | 915,290
Mexican peso | Interest rate risk | Notes due 2027 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value | 1,039,446 | 622,013
Mexican peso | Interest rate risk | 8.49% Senior Notes due 2037 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value | (3,668) | 46,724
Mexican peso | Interest rate risk | 7.25% Senior Notes due 2043 |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value | (834,054) | (1,161,167)
Mexican peso | Interest rate risk | Long-term notes payable to Mexican banks |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value | 2,178,363 | 2,468,596
Mexican peso | Interest rate risk | Lease liabilities |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value | $ 985,059 | 669,473
Mexican peso | Interest rate risk | Other notes payable |  |
Disclosure of nature and extent of risks arising from financial instruments |  |
Increase (Decrease) of Fair Value Over Carrying Value of Liabilities Assuming a Hypothetical 10% Increase in Fair Value |  | $ 101,295

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