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Bank Loans and Notes Payables - Summary of Detailed Information About Borrowings (Detail) $ in Millions, $ in Millions | Dec. 31, 2017 MXN ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 MXN ($)
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Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | $ 2,830 |  |  | $ 1,912
Long-term debt | 128,518 |  |  | 137,336
Current portion of long term debt | (10,760) | $ (548) | [1] | (5,369)
Non-current portion of long-term debt | 117,758 |  |  | 131,967
Fixed rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 117,969 |  |  | 125,631
Variable rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 10,549 |  |  | 11,705
Less than 1 year [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | 2,830 |  |  |
Long-term debt | 10,760 |  |  |
Less than 1 year [member] | Fixed rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 9,972 |  |  |
Less than 1 year [member] | Variable rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 788 |  |  |
1-2 years [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 7,946 |  |  |
1-2 years [member] | Fixed rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 6,993 |  |  |
1-2 years [member] | Variable rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 953 |  |  |
2-3 years [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 11,368 |  |  |
2-3 years [member] | Fixed rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 10,029 |  |  |
2-3 years [member] | Variable rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 1,339 |  |  |
3-4 years [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 7,437 |  |  |
3-4 years [member] | Fixed rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 2,607 |  |  |
3-4 years [member] | Variable rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 4,830 |  |  |
4-5 years [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 2,332 |  |  |
4-5 years [member] | Fixed rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 78 |  |  |
4-5 years [member] | Variable rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 2,254 |  |  |
Later than 5 years [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 88,675 |  |  |
Later than 5 years [member] | Fixed rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 88,290 |  |  |
Later than 5 years [member] | Variable rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 385 |  |  |
Euro [member] | Fixed rate debt [member] | Senior unsecured notes [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 23,449 |  |  | $ 21,627
Interest rate | 1.80% | 1.80% |  | 1.80%
Euro [member] | Later than 5 years [member] | Fixed rate debt [member] | Senior unsecured notes [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 23,449 |  |  |
Interest rate | 1.80% | 1.80% |  |
U S dollar [member] | Fixed rate debt [member] | Long term borrowings Yankee bond [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 48,043 |  |  | $ 61,703
Interest rate | 4.10% | 4.10% |  | 3.80%
U S dollar [member] | Fixed rate debt [member] | Long term borrowings Bank of NY (FEMSA USD 2023) [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 5,852 |  |  | $ 6,117
Interest rate | 2.90% | 2.90% |  | 2.90%
U S dollar [member] | Fixed rate debt [member] | Long term borrowings Bank of NY (FEMSA USD 2043) [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 13,510 |  |  | $ 14,128
Interest rate | 4.40% | 4.40% |  | 4.40%
U S dollar [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 13 |  |  | $ 20
Interest rate | 3.80% | 3.80% |  | 3.90%
U S dollar [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt |  |  |  | $ 206
Interest rate |  |  |  | 3.40%
U S dollar [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 4,032 |  |  | $ 4,218
Interest rate | 2.10% | 2.10% |  | 1.60%
U S dollar [member] | Less than 1 year [member] | Fixed rate debt [member] | Long term borrowings Yankee bond [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 8,774 |  |  |
Interest rate | 2.40% | 2.40% |  |
U S dollar [member] | Less than 1 year [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 6 |  |  |
Interest rate | 4.00% | 4.00% |  |
U S dollar [member] | 1-2 years [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 5 |  |  |
Interest rate | 3.80% | 3.80% |  |
U S dollar [member] | 2-3 years [member] | Fixed rate debt [member] | Long term borrowings Yankee bond [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 9,844 |  |  |
Interest rate | 4.60% | 4.60% |  |
U S dollar [member] | 2-3 years [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 2 |  |  |
Interest rate | 3.50% | 3.50% |  |
U S dollar [member] | 3-4 years [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 4,032 |  |  |
Interest rate | 2.10% | 2.10% |  |
U S dollar [member] | Later than 5 years [member] | Fixed rate debt [member] | Long term borrowings Yankee bond [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 29,425 |  |  |
Interest rate | 4.40% | 4.40% |  |
U S dollar [member] | Later than 5 years [member] | Fixed rate debt [member] | Long term borrowings Bank of NY (FEMSA USD 2023) [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 5,852 |  |  |
Interest rate | 2.90% | 2.90% |  |
U S dollar [member] | Later than 5 years [member] | Fixed rate debt [member] | Long term borrowings Bank of NY (FEMSA USD 2043) [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 13,510 |  |  |
Interest rate | 4.40% | 4.40% |  |
Mexican peso [member] | Fixed rate debt [member] | Units of investment (UDIs) [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt |  |  |  | $ 3,245
Interest rate |  |  |  | 4.20%
Mexican peso [member] | Fixed rate debt [member] | Domestic senior notes [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 18,479 |  |  | $ 9,991
Interest rate | 6.90% | 6.90% |  | 6.20%
Mexican peso [member] | Variable rate debt [member] | Domestic senior notes [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 1,496 |  |  |
Interest rate | 7.70% | 7.70% |  |
Mexican peso [member] | 3-4 years [member] | Fixed rate debt [member] | Domestic senior notes [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 2,498 |  |  |
Interest rate | 8.30% | 8.30% |  |
Mexican peso [member] | 4-5 years [member] | Variable rate debt [member] | Domestic senior notes [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 1,496 |  |  |
Interest rate | 7.70% | 7.70% |  |
Mexican peso [member] | Later than 5 years [member] | Fixed rate debt [member] | Domestic senior notes [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 15,981 |  |  |
Interest rate | 6.70% | 6.70% |  |
Brazilian reais [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 1,033 |  |  | $ 742
Interest rate | 5.70% | 5.70% |  | 5.30%
Brazilian reais [member] | Fixed rate debt [member] | Notes payable [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 6,707 |  |  | $ 7,022
Interest rate | 0.40% | 0.40% |  | 0.40%
Brazilian reais [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 870 |  |  | $ 1,864
Interest rate | 8.50% | 8.50% |  | 5.50%
Brazilian reais [member] | Variable rate debt [member] | Notes payable [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 15 |  |  | $ 26
Interest rate | 0.40% | 0.40% |  | 0.40%
Brazilian reais [member] | Less than 1 year [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 391 |  |  |
Interest rate | 5.70% | 5.70% |  |
Brazilian reais [member] | Less than 1 year [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 284 |  |  |
Interest rate | 8.50% | 8.50% |  |
Brazilian reais [member] | Less than 1 year [member] | Variable rate debt [member] | Notes payable [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 10 |  |  |
Interest rate | 0.40% | 0.40% |  |
Brazilian reais [member] | 1-2 years [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 247 |  |  |
Interest rate | 5.80% | 5.80% |  |
Brazilian reais [member] | 1-2 years [member] | Fixed rate debt [member] | Notes payable [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 6,707 |  |  |
Interest rate | 0.40% | 0.40% |  |
Brazilian reais [member] | 1-2 years [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 284 |  |  |
Interest rate | 8.50% | 8.50% |  |
Brazilian reais [member] | 1-2 years [member] | Variable rate debt [member] | Notes payable [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 5 |  |  |
Interest rate | 0.40% | 0.40% |  |
Brazilian reais [member] | 2-3 years [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 152 |  |  |
Interest rate | 5.80% | 5.80% |  |
Brazilian reais [member] | 2-3 years [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 229 |  |  |
Interest rate | 8.50% | 8.50% |  |
Brazilian reais [member] | 3-4 years [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 92 |  |  |
Interest rate | 5.80% | 5.80% |  |
Brazilian reais [member] | 3-4 years [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 66 |  |  |
Interest rate | 8.50% | 8.50% |  |
Brazilian reais [member] | 4-5 years [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 78 |  |  |
Interest rate | 5.80% | 5.80% |  |
Brazilian reais [member] | 4-5 years [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 7 |  |  |
Interest rate | 8.50% | 8.50% |  |
Brazilian reais [member] | Later than 5 years [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 73 |  |  |
Interest rate | 5.80% | 5.80% |  |
Chilean peso [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 98 |  |  | $ 114
Interest rate | 3.50% | 3.50% |  | 3.40%
Chilean peso [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 40 |  |  | $ 164
Interest rate | 7.90% | 7.90% |  | 7.00%
Chilean peso [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | $ 770 |  |  | $ 338
Interest rate | 3.10% | 3.10% |  | 4.30%
Chilean peso [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 4,136 |  |  | $ 4,351
Interest rate | 4.10% | 4.10% |  | 3.70%
Chilean peso [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | $ 3 |  |  | $ 1
Interest rate | 6.10% | 6.10% |  | 10.00%
Chilean peso [member] | Less than 1 year [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 27 |  |  |
Interest rate | 3.80% | 3.80% |  |
Chilean peso [member] | Less than 1 year [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 40 |  |  |
Interest rate | 7.90% | 7.90% |  |
Chilean peso [member] | Less than 1 year [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | $ 770 |  |  |
Interest rate | 3.10% | 3.10% |  |
Chilean peso [member] | Less than 1 year [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 494 |  |  |
Interest rate | 4.30% | 4.30% |  |
Chilean peso [member] | Less than 1 year [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | $ 3 |  |  |
Interest rate | 6.10% | 6.10% |  |
Chilean peso [member] | 1-2 years [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 28 |  |  |
Interest rate | 3.70% | 3.70% |  |
Chilean peso [member] | 1-2 years [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 664 |  |  |
Interest rate | 4.20% | 4.20% |  |
Chilean peso [member] | 2-3 years [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 26 |  |  |
Interest rate | 3.40% | 3.40% |  |
Chilean peso [member] | 2-3 years [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 1,110 |  |  |
Interest rate | 4.10% | 4.10% |  |
Chilean peso [member] | 3-4 years [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 17 |  |  |
Interest rate | 3.20% | 3.20% |  |
Chilean peso [member] | 3-4 years [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 732 |  |  |
Interest rate | 4.00% | 4.00% |  |
Chilean peso [member] | 4-5 years [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 751 |  |  |
Interest rate | 4.10% | 4.10% |  |
Chilean peso [member] | Later than 5 years [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 385 |  |  |
Interest rate | 3.90% | 3.90% |  |
Colombian peso [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 17 |  |  |
Interest rate | 4.20% | 4.20% |  |
Colombian peso [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 728 |  |  | $ 758
Interest rate | 9.60% | 9.60% |  | 9.60%
Colombian peso [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt |  |  |  | $ 1,206
Interest rate |  |  |  | 9.60%
Colombian peso [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | $ 1,951 |  |  | $ 723
Interest rate | 7.30% | 7.30% |  | 9.10%
Colombian peso [member] | Less than 1 year [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 6 |  |  |
Interest rate | 4.00% | 4.00% |  |
Colombian peso [member] | Less than 1 year [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 728 |  |  |
Interest rate | 9.60% | 9.60% |  |
Colombian peso [member] | Less than 1 year [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | $ 1,951 |  |  |
Interest rate | 7.30% | 7.30% |  |
Colombian peso [member] | 1-2 years [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 6 |  |  |
Interest rate | 4.00% | 4.00% |  |
Colombian peso [member] | 2-3 years [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 5 |  |  |
Interest rate | 4.00% | 4.00% |  |
Argentine peso [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | $ 106 |  |  | $ 644
Argentine peso [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest rate | 22.40% | 22.40% |  | 32.00%
Argentine peso [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt |  |  |  | $ 40
Interest rate |  |  |  | 27.80%
Argentine peso [member] | Less than 1 year [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | $ 106 |  |  |
Argentine peso [member] | Less than 1 year [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Interest rate | 22.40% | 22.40% |  |
Fair value [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | $ 2,829 |  |  |
Long-term debt | 133,318 |  |  |
Fair value [member] | Fixed rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 122,473 |  |  |
Fair value [member] | Variable rate debt [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 10,845 |  |  |
Fair value [member] | Euro [member] | Fixed rate debt [member] | Senior unsecured notes [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 24,697 |  |  |
Fair value [member] | U S dollar [member] | Fixed rate debt [member] | Long term borrowings Yankee bond [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 51,938 |  |  |
Fair value [member] | U S dollar [member] | Fixed rate debt [member] | Long term borrowings Bank of NY (FEMSA USD 2023) [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 5,870 |  |  |
Fair value [member] | U S dollar [member] | Fixed rate debt [member] | Long term borrowings Bank of NY (FEMSA USD 2043) [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 14,539 |  |  |
Fair value [member] | U S dollar [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 13 |  |  |
Fair value [member] | U S dollar [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 4,313 |  |  |
Fair value [member] | Mexican peso [member] | Fixed rate debt [member] | Domestic senior notes [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 17,035 |  |  |
Fair value [member] | Mexican peso [member] | Variable rate debt [member] | Domestic senior notes [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 1,500 |  |  |
Fair value [member] | Brazilian reais [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 1,055 |  |  |
Fair value [member] | Brazilian reais [member] | Fixed rate debt [member] | Notes payable [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 6,430 |  |  |
Fair value [member] | Brazilian reais [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 883 |  |  |
Fair value [member] | Brazilian reais [member] | Variable rate debt [member] | Notes payable [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 14 |  |  |
Fair value [member] | Chilean peso [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 98 |  |  |
Fair value [member] | Chilean peso [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 40 |  |  |
Fair value [member] | Chilean peso [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | 770 |  |  |
Fair value [member] | Chilean peso [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 4,135 |  |  |
Fair value [member] | Chilean peso [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | 3 |  |  |
Fair value [member] | Colombian peso [member] | Fixed rate debt [member] | Finance leases [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 17 |  |  |
Fair value [member] | Colombian peso [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 741 |  |  |
Fair value [member] | Colombian peso [member] | Variable rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | 1,949 |  |  |
Fair value [member] | Argentine peso [member] | Fixed rate debt [member] | Bank loans [member] |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Short-term debt | $ 107 |  |  |
[1] | Convenience translation to U.S. dollars ($) - See Note 2.2.3

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