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Note 21 - Changes in Equity - Basis for Dividends (Details) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Statement Line Items [Line Items] |  |  |  |
Net income, attributable to equity holders of Ambev |  | R$ 11,024.7 | R$ 7,332.0 | R$ 12,546.6
Reversal effect revaluation of property, plant and equipment under the predecessor basis accounting |  |  |  |
Interest on capital paid based on the investment reserve |  | (8,814.1) | (8,819.8) | (10,330.6)
Total of Interest on capital |  | 5,030.5 | 4,869.7 | 5,493.4
Total of distributed and accrued to distribute |  | 7,545.6 | 8,482.5 | 11,145.2
Retained earnings [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Net income, attributable to equity holders of Ambev |  | 11,024.7 | 7,332.0 | 12,546.6
Prescribed/(complement) dividends |  | 30.1 | 34.7 | 21.6
Reversal effect revaluation of property, plant and equipment under the predecessor basis accounting |  | 75.9 | 75.9 | 75.9
Retained earnings basis for dividends and destinations to Net income reserves |  | 14,319.4 | 7,442.6 | 12,644.1
Total of Interest on capital |  | 5,030.5 | 1,099.6 | 3,454.2
Retained earnings [member] | IFRS 15 revenue from contracts with customers [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Impact of the adoption | [1] | (355.4) |  |
Retained earnings [member] | IAS 29 [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Impact of the adoption | [2] | 3,544.1 |  |
Net income reserves [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Reversal effect revaluation of property, plant and equipment under the predecessor basis accounting |  |  |  |
Dividends and Interest on capital paid based on profit |  | 7,545.6 | 3,612.7 | 5,651.8
Dividends approved for distribution |  |  | 1,099.7 | 3,454.2
Total of dividends and Interest on capital |  | R$ 7,545.6 | R$ 4,712.4 | R$ 9,106.0
Percentage of distributed profit |  | 53.00% | 63.00% | 72.00%
Total of Interest on capital |  |  | R$ 3,770.1 | R$ 2,039.2
Net income reserves, investment reserve [member] |  |  |  |
Statement Line Items [Line Items] |  |  |  |
Percentage of distributed profit |  | 53.00% | 114.00% | 72.00%
Interest on capital paid based on the investment reserve |  |  | R$ 3,770.1 |
Total of Interest on capital |  |  | 3,770.1 |
Total of distributed and accrued to distribute |  | R$ 7,545.6 | R$ 8,482.5 | R$ 9,106.0
[1] | As described in Note 3 - Summary of significant account policies.
[2] | As described in Note 1 (b) Application of inflation accounting and Financial Reporting in Hyperinflationary Economies.

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