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v3.21.1

Debt - Summary of Short- and Long-Term Debt (Detail) $ in Thousands, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 MXN ($) | Dec. 31, 2019 MXN ($) | Dec. 31, 2020 USD ($)
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | $ 628,382,956 | $ 624,254,477 |
Less: Short-term debt and current portion of long-term debt | 148,083,184 | 129,172,033 | $ 7,423
Long-term debt | $ 480,299,772 | 495,082,444 | $ 24,077
Hybrid Notes [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings maturity | 2073 |  |
Borrowings | $ 13,403,133 | 25,362,813 |
Lines of credit [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Less: Short-term debt and current portion of long-term debt | 53,062,260 | 40,722,004 |
Finance Lease [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Less: Short-term debt and current portion of long-term debt | 13,910 | 11,743 |
Line of credit and others [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | 53,119,526 | 53,699,481 |
U.S. dollars [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | $ 186,531,417 | $ 169,142,643 |
U.S. dollars [member] | Fixed-rate Senior notes interest rate 5.000% maturing 2020 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate |  | 5.00% |
Borrowings maturity |  | 2020 |
Borrowings |  | $ 11,774,764 |
U.S. dollars [member] | Fixed-rate Senior notes interest rate 3.125% maturing 2022 [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 3.125% | 3.125% | 3.125%
Borrowings maturity | 2022 | 2022 |
Borrowings | $ 31,917,920 | $ 30,152,320 |
U.S. dollars [member] | Fixed-rate Senior notes interest rate 3.625% maturing 2029 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 3.625% | 3.625% | 3.625%
Borrowings maturity | 2029 | 2029 |
Borrowings | $ 19,948,700 | $ 18,845,200 |
U.S. dollars [member] | Fixed-rate Senior notes interest rate 6.375% maturing 2035 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 6.375% | 6.375% | 6.375%
Borrowings maturity | 2035 | 2035 |
Borrowings | $ 19,576,258 | $ 18,493,360 |
U.S. dollars [member] | Fixed-rate Senior notes interest rate 6.125% maturing 2037 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 6.125% | 6.125% | 6.125%
Borrowings maturity | 2040 | 2037 |
Borrowings | $ 39,897,400 | $ 6,958,119 |
U.S. dollars [member] | Fixed-rate Senior notes interest rate 6.125% maturing 2040 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 6.125% | 6.125% | 6.125%
Borrowings maturity | 2037 | 2040 |
Borrowings | $ 7,365,559 | $ 37,690,400 |
U.S. dollars [member] | Fixed Rate Senior Notes Interest Rate 4.375% Maturing 2042 [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 4.375% | 4.375% | 4.375%
Borrowings maturity | 2042 | 2042 |
Borrowings | $ 22,941,005 | $ 21,671,980 |
U.S. dollars [member] | Fixed-rate Senior notes interest rate 4.375% maturing 2049 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 4.375% | 4.375% | 4.375%
Borrowings maturity | 2049 | 2049 |
Borrowings | $ 24,935,875 | $ 23,556,500 |
U.S. dollars [member] | Lines of credit [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings |  | $ 9,359,340 |
U.S. dollars [member] | Fixed-rate Senior notes interest rate 2.875% maturing 2030 |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 2.875% |  | 2.875%
Borrowings maturity | 2030 |  |
Borrowings | $ 19,948,700 |  |
U.S. dollars [member] | Bottom of range [member] | Lines of credit [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate |  | 5.50% |
Borrowings maturity |  | 2020 |
U.S. dollars [member] | Top of range [member] | Lines of credit [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate |  | 9.02% |
Borrowings maturity |  | 2024 |
Mexican pesos [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | $ 51,282,881 | $ 58,129,292 |
Mexican pesos [member] | Domestic Senior Notes Interest Rate 8.600% Maturing 2020 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate |  | 8.60% |
Borrowings maturity |  | 2020 |
Borrowings |  | $ 7,000,000 |
Mexican pesos [member] | Fixed Rate Senior Notes Interest Rate 6.450% Maturing 2022 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 6.45% | 6.45% | 6.45%
Borrowings maturity | 2022 | 2022 |
Borrowings | $ 22,500,000 | $ 22,500,000 |
Mexican pesos [member] | Fixed Rate Senior Notes Interest Rate 7.125% Maturing 2024 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 7.125% | 7.125% | 7.125%
Borrowings maturity | 2024 | 2024 |
Borrowings | $ 11,000,000 | $ 11,000,000 |
Mexican pesos [member] | Domestic Senior Notes Interest Rate 0.000% Maturing 2025 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 0.00% | 0.00% | 0.00%
Borrowings maturity | 2025 | 2025 |
Borrowings | $ 4,911,181 | $ 4,757,592 |
Mexican pesos [member] | Fixed Rate Senior Notes Interest Rate 8.460% Maturing 2036 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 8.46% | 8.46% | 8.46%
Borrowings maturity | 2036 | 2036 |
Borrowings | $ 7,871,700 | $ 7,871,700 |
Mexican pesos [member] | Domestic Senior Notes Interest Rate 8.360% Maturing 2037 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 8.36% | 8.36% | 8.36%
Borrowings maturity | 2037 | 2037 |
Borrowings | $ 5,000,000 | $ 5,000,000 |
Mexican pesos [member] | Lines of credit [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings maturity | 2021 | 2020 |
Borrowings interest basis | TIIE + 0.300% - TIIE + 1.000% | TIIE + 0.050% -TIIE + 0.090% |
Borrowings | $ 27,100,000 | $ 22,000,000 |
Euros [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | 224,928,934 | 222,190,375 |
Euros [member] | Hybrid Notes [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | $ 13,403,133 | $ 11,622,118 |
Euros [member] | Commercial Paper One Interest Rate -0.230% maturing 2020 [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate |  | (0.23%) |
Borrowings maturity |  | 2020 |
Borrowings |  | $ 2,599,128 |
Euros [member] | Exchangable bonds interest rate 0.000% maturing 2020 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate |  | 0.00% |
Borrowings maturity |  | 2020 |
Borrowings |  | $ 60,051,270 |
Euros [member] | Fixed rate senior notes interest rate 3.000% maturing 2021 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 3.00% | 3.00% | 3.00%
Borrowings maturity | 2021 | 2021 |
Borrowings | $ 24,369,332 | $ 21,131,123 |
Euros [member] | Fixed rate senior notes interest rate 3.125% maturing 2021 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 3.125% | 3.125% | 3.125%
Borrowings maturity | 2021 | 2021 |
Borrowings | $ 18,276,999 | $ 15,848,342 |
Euros [member] | Fixed rate senior notes interest rate 4.000% maturing 2022 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 4.00% | 4.00% | 4.00%
Borrowings maturity | 2022 | 2022 |
Borrowings | $ 18,276,999 | $ 15,848,342 |
Euros [member] | Fixed rate senior notes interest rate 4.750% maturing 2022 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 4.75% | 4.75% | 4.75%
Borrowings maturity | 2022 | 2022 |
Borrowings | $ 18,276,999 | $ 15,848,342 |
Euros [member] | Fixed rate senior notes interest rate 3.500% maturing 2023 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 3.50% | 3.50% | 3.50%
Borrowings maturity | 2023 | 2023 |
Borrowings | $ 7,310,800 | $ 6,339,337 |
Euros [member] | Fixed rate senior notes interest rate 3.259% maturing 2023 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 3.259% | 3.259% | 3.259%
Borrowings maturity | 2023 | 2023 |
Borrowings | $ 18,276,999 | $ 15,848,342 |
Euros [member] | Fixed rate senior notes interest rate 1.500% maturing 2024 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 1.50% | 1.50% | 1.50%
Borrowings maturity | 2024 | 2024 |
Borrowings | $ 20,713,932 | $ 17,961,454 |
Euros [member] | Fixed rate senior notes interest rate 1.500% maturing 2026 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 1.50% | 1.50% | 1.50%
Borrowings maturity | 2026 | 2026 |
Borrowings | $ 18,276,999 | $ 15,848,342 |
Euros [member] | Fixed rate senior notes interest rate 0.750% maturing 2027 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 0.75% | 0.75% | 0.75%
Borrowings maturity | 2027 | 2027 |
Borrowings | $ 24,369,332 | $ 21,131,123 |
Euros [member] | Fixed rate senior notes interest rate 2.125% maturing 2028 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 2.125% | 2.125% | 2.125%
Borrowings maturity | 2028 | 2028 |
Borrowings | $ 15,840,066 | $ 13,735,230 |
Euros [member] | Euro Nc10 series B capital securities interest rate 6.375% maturing 2073 [member] | Hybrid Notes [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 6.375% | 6.375% | 6.375%
Borrowings maturity | 2073 | 2073 |
Borrowings | $ 13,403,133 | $ 11,622,118 |
Euros [member] | Lines of credit [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate |  | 0.03% |
Borrowings maturity |  | 2020 |
Borrowings |  | $ 2,113,112 |
Euros [member] | Commercial Paper Four Interest Rate -0.230% - -0.310% maturing 2021 |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings maturity | 2021 |  |
Borrowings | $ 40,940,477 |  |
Euros [member] | Bottom of range [member] | Commercial Paper Four Interest Rate -0.230% - -0.310% maturing 2021 |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | (0.23%) |  | (0.23%)
Euros [member] | Top of range [member] | Commercial Paper Four Interest Rate -0.230% - -0.310% maturing 2021 |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | (0.31%) |  | (0.31%)
Pound sterling [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | $ 59,993,720 | 54,962,779 |
Pound sterling [member] | Hybrid Notes [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings |  | $ 13,740,695 |
Pound sterling [member] | Fixed rate senior notes interest rate 5.000% maturing 2026 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 5.00% | 5.00% | 5.00%
Borrowings maturity | 2026 | 2026 |
Borrowings | $ 13,634,936 | $ 12,491,541 |
Pound sterling [member] | Fixed rate senior notes interest rate 5.750% maturing 2030 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 5.75% | 5.75% | 5.75%
Borrowings maturity | 2030 | 2030 |
Borrowings | $ 17,725,417 | $ 16,239,003 |
Pound sterling [member] | Fixed rate senior notes interest rate 4.948% maturing 2033 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 4.948% | 4.948% | 4.948%
Borrowings maturity | 2033 | 2033 |
Borrowings | $ 8,180,962 | $ 7,494,924 |
Pound sterling [member] | Fixed rate senior notes interest rate 4.375% maturing 2041 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 4.375% | 4.375% | 4.375%
Borrowings maturity | 2041 | 2041 |
Borrowings | $ 20,452,405 | $ 18,737,311 |
Pound sterling [member] | GBP NC7 capital securities interest rate 6.375% maturing 2073 [member] | Hybrid Notes [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate |  | 6.375% |
Borrowings maturity |  | 2073 |
Borrowings |  | $ 13,740,695 |
Brazilian reais [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | $ 32,533,191 | $ 34,948,736 |
Brazilian reais [member] | Debenture 102.900% of CDI maturing 2020 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interbank certificate of deposit interest rate basis |  | 102.900% of CDI |
Borrowings maturity |  | 2020 |
Adjustment of interbank certificate of deposit |  | 102.90% |
Borrowings |  | $ 7,013,124 |
Brazilian reais [member] | Debenture 104.000% of CDI maturing 2021 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interbank certificate of deposit interest rate basis | 104.000% of CDI | 104.000% of CDI |
Borrowings maturity | 2021 | 2021 |
Adjustment of interbank certificate of deposit | 104.00% |  |
Borrowings | $ 4,222,597 | $ 5,142,958 |
Brazilian reais [member] | Debenture 104.250% of CDI maturing 2021 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interbank certificate of deposit interest rate basis | 104.250% of CDI | 104.250% of CDI |
Borrowings maturity | 2021 | 2021 |
Adjustment of interbank certificate of deposit | 104.25% |  |
Borrowings | $ 5,815,668 | $ 7,083,256 |
Brazilian reais [member] | Promissory Note CDI + 0.600% maturing 2021 [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interbank certificate of deposit interest rate basis | CDI + 0.600% | CDI + 0.600% |
Borrowings maturity | 2021 | 2021 |
Adjustment of interbank certificate of deposit | 0.60% |  |
Borrowings | $ 1,381,941 | $ 1,683,150 |
Brazilian reais [member] | Promissory Note 106.000% of CDI maturing 2022 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interbank certificate of deposit interest rate basis | 106.000% of CDI | 106.000% of CDI |
Borrowings maturity | 2022 | 2022 |
Adjustment of interbank certificate of deposit | 106.00% |  |
Borrowings | $ 7,677,449 | $ 9,350,832 |
Brazilian reais [member] | Promissory Note 106.500% of CDI maturing 2022 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interbank certificate of deposit interest rate basis |  | 106.500% of CDI |
Borrowings maturity |  | 2022 |
Borrowings |  | $ 4,675,416 |
Brazilian reais [member] | Debenture 106.500% of CDI maturing 2022 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interbank certificate of deposit interest rate basis | 106.500% of CDI |  |
Borrowings maturity | 2022 |  |
Adjustment of interbank certificate of deposit | 106.50% |  |
Borrowings | $ 3,838,725 |  |
Brazilian reais [member] | Debenture CDI + 0.960% maturing 2022 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interbank certificate of deposit interest rate basis | CDI + 0.960% |  |
Borrowings maturity | 2022 |  |
Adjustment of interbank certificate of deposit | 0.96% |  |
Borrowings | $ 9,596,811 |  |
Japanese yens [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | $ 2,511,701 | $ 2,255,663 |
Japanese yens [member] | Fixed rate senior notes interest rate 2.950% maturing 2039 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 2.95% | 2.95% | 2.95%
Borrowings maturity | 2039 | 2039 |
Borrowings | $ 2,511,701 | $ 2,255,663 |
Chilean pesos [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | $ 4,078,453 | $ 3,562,695 |
Chilean pesos [member] | Fixed rate senior notes interest rate 3.961% maturing 2035 [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 3.961% | 3.961% | 3.961%
Borrowings maturity | 2035 | 2035 |
Borrowings | $ 4,078,453 | $ 3,562,695 |
Chilean pesos [member] | Lines of credit [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings maturity | 2021 | 2021 |
Borrowings interest basis | TAB + 0.350% and TAB + 0.450% | TAB + 0.350% |
Borrowings | $ 8,868,181 | $ 4,821,222 |
Chilean pesos [member] | Finance Lease [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | $ 57,266 | $ 54,596 |
Chilean pesos [member] | Bottom of range [member] | Finance Lease [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 8.70% | 8.70% | 8.70%
Borrowings maturity | 2021 | 2020 |
Chilean pesos [member] | Top of range [member] | Finance Lease [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate | 8.97% | 8.97% | 8.97%
Borrowings maturity | 2027 | 2027 |
Other currencies [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings | $ 6,590,154 | $ 5,818,358 |
Peruvian Soles [Member] | Lines of credit [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings maturity | 2021 |  |
Borrowings interest basis | 1.200% - 1.450% |  |
Borrowings | $ 17,094,079 | $ 15,351,211 |
Peruvian Soles [Member] | Bottom of range [member] | Lines of credit [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate |  | 3.55% |
Borrowings maturity |  | 2020 |
Peruvian Soles [Member] | Top of range [member] | Lines of credit [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings interest rate |  | 3.70% |
Borrowings maturity |  | 2021 |

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