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Supplemental Guarantor Financial Information - Additional Information (Detail) - USD ($) $ in Millions | Jul. 13, 2020 | Apr. 03, 2020 | May 15, 2019 | Feb. 11, 2019 | Jan. 23, 2019 | Apr. 04, 2018 | Aug. 21, 2017 | Dec. 16, 2016 | Jan. 25, 2016 | Jan. 27, 2014 | Jan. 17, 2013 | Jul. 16, 2012 | Mar. 14, 2011 | Jan. 24, 2011 | Jan. 06, 2010 | Jul. 07, 2020
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Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2040 |
Principal amount |  |  |  |  |  |  |  | $ 300 |  |  |  |  |  |  |  |
Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | $ 5,100 |  |  |  |  |  |  |  |  |  |  |  |
Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  | $ 15,500 |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 10,000 |  | 2,100 |  |  |  |  |  |  |  |
8.2% notes due on 2039 [member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,250 |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 8.20% |  |  |
Maturity date |  |  |  |  |  |  |  |  |  |  |  |  | 2039 |  |  |
Notes due 2023 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 129
Interest rate |  |  |  | 3.30% |  |  |  |  |  |  |  |  |  |  |  | 2.625%
Maturity date | 2023 |  |  | 2023 |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | $ 167 |  |  |  |  |  |  |  |  |  |  |  | $ 1,500
Notes due 2023 [member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  | 2.50% |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  | 2022 |  |  |  |  |  |  |  |  |  |  |  |
Notes due 2021 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.30%
Principal amount |  |  |  | $ 189 |  |  |  |  |  |  |  |  |  |  |  |
Notes due 2033 [member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  |  |  | $ 298 |  |  |  |  |  |  |  |
4.439% notes due 2048 [member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  |  | $ 1,700 |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 4.439% |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  | 2048 |  |  |  |  |  |  |  |  |
3.500% fixed rate note due on 2024 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  | $ 846 |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  | 3.50% |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  | 2024 |  |  |  |  |  |  |  |  |  |  |  |
6.375% notes due 2040 [member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500 |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6.375% |
Maturity date |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2040 |
Notes due 2040 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  | 4.35% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  | 2040 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes due 2040 [Member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining principal |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 240 |
Notes due 2030 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  | $ 1,750 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  | 3.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  | 2030 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  | $ 6,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes due 2050 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  | $ 2,250 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  | 4.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  | 2050 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes due 2060 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  | 4.60% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  | 2060 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  | 2042 |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2022 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  |  |  |  | 2022 |  |  |  |
Remaining principal |  |  |  | $ 525 |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | 1,300 |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2022 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining principal |  |  |  | 454 |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | $ 725 |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2022 [member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  |  |  |  |  |  |  | $ 3,000 |  |  |  |
Interest rate |  |  |  | 2.50% |  |  |  |  |  |  |  | 2.50% |  |  |  |
Principal amount |  |  |  | $ 285 |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2042 [member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  |
Interest rate |  |  |  |  |  |  |  | 4.95% |  |  |  | 3.75% |  |  |  |
Principal amount |  |  |  |  |  |  |  | $ 1,490 |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2023 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  |  |  |  | $ 6,000 |  |  |  |  |  |  |
Maturity date |  |  |  | 2023 |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2023 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  |  |  |  | $ 34,500 |  | $ 600 |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  | 3.30% |  |  |  |  |  |  |
Principal amount |  |  |  | $ 2,900 |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes Due 2043 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  | 4.00% |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  |  |  | 2043 |  |  |  |  |
Fixed interest rate [member] | Notes Due 2043 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  |  |  |  |  |  | $ 750 |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  | 2.625% |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  |  |  | 2023 |  |  |  |  |
Fixed interest rate [member] | Notes Due 2024 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  | $ 1,500 |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 3.50% |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  | 2024 |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes Due 2024 [Member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  |  |  |  |  | $ 2,300 |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  | 3.70% |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  |  | 2024 |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  | $ 865 |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2044 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  | 4.625% |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  |  | 2044 |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2044 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  |  | 2044 |  |  |  |  |  |
Remaining principal |  |  |  |  |  |  |  |  |  | $ 850 |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2021 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.375% |  |
Fixed interest rate [member] | Notes due 2021 [member] | Notes To Be Redeemable [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes redeemable |  |  |  | $ 315 |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2021 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  | 4.375% |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  | 2021 |  |  |  |  | 2026 |  |  |  |  |  |  |
Principal amount |  |  |  | $ 215 |  |  |  |  | $ 500 |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2021 [member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500 |  |
Maturity date |  |  |  |  |  |  |  |  |  |  |  |  |  | 2021 |  |
Fixed interest rate [member] | Notes due 2026 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  | 3.65% |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  | 2036 |  |  |  |  |  |  |
Principal amount |  |  |  | 812 |  |  |  |  | $ 11,000 |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2026 [member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  | $ 3,300 |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  | 3.65% |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  | 2026 |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | 8,500 |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2036 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  | 4.70% |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  | 2046 |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  | $ 6,000 |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2036 [member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  | $ 5,300 |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  | 4.70% |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  | 2036 |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | 5,400 |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2046 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  | 4.90% |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2046 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  | 2021 |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  | $ 11,000 |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2046 [member] | Anheuser Busch InBev Worldwide Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  | $ 9,500 |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  | 4.90% |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  | 2046 |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | 9,500 |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2033 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  | 6.625% |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  | 2033 |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2035 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  | 5.875% |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  | 2035 |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2042 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  |  |  |  | 2042 |  |  |  |
Fixed interest rate [member] | Notes due 2048 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  | $ 2,500 |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 4.60% |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  | 2048 |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2024 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  | $ 500 |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  | 2024 |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2024 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  |  | 2024 |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2028 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  | $ 2,500 |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 4.00% |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  | 2028 |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2038 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  | $ 1,500 |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 4.375% |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  | 2038 |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2058 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  |  | $ 1,500 |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 4.75% |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  | 2058 |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2029 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  | $ 4,300 |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 4.75% |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  | 2029 |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2049 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  | $ 4,000 |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 5.55% |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  | 2049 |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2025 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  | $ 2,500 |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 4.15% |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  | 2025 |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2039 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  | $ 2,000 |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 5.45% |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  | 2039 |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2059 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  | $ 2,000 |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 5.80% |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  | 2059 |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate [member] | Notes due 2031 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  |  | $ 750 |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  | 4.90% |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  |  | 2031 |  |  |  |  |  |  |  |  |  |  |
Floating interest rate [member] | Notes Due 2024 [Member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes issued |  |  |  | $ 271 |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  | 2024 |  |  |  |  |  |  |  |  |  |  |  |
Floating interest rate [member] | Notes due 2021 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  |  | 2021 |  |  |  |  |  |  |  |  |  |  |  |
Floating interest rate above three-month LIBOR [Member] | Notes due 2021 [member] | Anheuser Busch InBev Finance Inc. [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  | 126.00 |  |  |  |  |  |  |
Floating interest rate above three-month LIBOR [Member] | Notes due 2024 [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of supplemental guarantor information [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 74.00 |  |  |  |  |  |  |  |  |  |

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