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Financial and capital risk management (Details 4) R$ in Millions, $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 BRL (R$) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 BRL (R$)
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | $ 16 |  |  | $ (24) |
Derivatives settlement cash outflow inflow | 124 | $ 172 |  |  |
Value at risk | 5 |  |  |  |
Later than one year and not later than two years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | 4 |  |  |  |
Brazilian Interbank Interest Rate Versus U S Fixed Rate Swap [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (16) |  |  | 107 |
Derivatives settlement cash outflow inflow | 3 |  |  |  |
Value at risk | $ 14 |  |  |  |
Receivable | R$ |  |  | R$ 4,581 |  | R$ 5,162
Average receivable rate | 100.00% |  | 100.00% |  |
Payable | $ 1,061 |  |  | 1,196 |
Average payable rate | 1.70% |  | 1.70% |  |
Brazilian Interbank Interest Rate Versus U S Fixed Rate Swap [Member] | Later than one year and not later than two years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | $ (2) |  |  |  |
Brazilian Interbank Interest Rate Versus U S Fixed Rate Swap [Member] | Later than two years and not later than three years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (2) |  |  |  |
Brazilian Interbank Interest Rate Versus U S Fixed Rate Swap [Member] | Later than three years and not later than four years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (12) |  |  |  |
Long Term Interest Rate Versus U S Fixed Rate Swap [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (41) |  |  | (28) |
Derivatives settlement cash outflow inflow | (2) |  |  |  |
Value at risk | $ 2 |  |  |  |
Receivable | R$ |  |  | R$ 599 |  | 694
Average receivable rate | 1.07% |  | 1.07% |  |
Payable | $ 149 |  |  | 173 |
Average payable rate | 3.47% |  | 3.47% |  |
Long Term Interest Rate Versus U S Fixed Rate Swap [Member] | Later than one year and not later than two years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | $ (4) |  |  |  |
Long Term Interest Rate Versus U S Fixed Rate Swap [Member] | Later than two years and not later than three years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (9) |  |  |  |
Long Term Interest Rate Versus U S Fixed Rate Swap [Member] | Later than three years and not later than four years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (28) |  |  |  |
C D I And T J L P [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (57) |  |  | 79 |
Derivatives settlement cash outflow inflow | 1 |  |  |  |
Value at risk | 16 |  |  |  |
C D I And T J L P [Member] | Later than one year and not later than two years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (6) |  |  |  |
C D I And T J L P [Member] | Later than two years and not later than three years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (11) |  |  |  |
C D I And T J L P [Member] | Later than three years and not later than four years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (40) |  |  |  |
Ndice Nacional De Preos Ao Consumidor Amplo Versus U S Fixed Rate Swap [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (57) |  |  | $ (41) |
Derivatives settlement cash outflow inflow | (4) |  |  |  |
Value at risk | 3 |  |  |  |
Receivable | R$ |  |  | R$ 924 |  | R$ 1,078
Average receivable rate |  |  |  | 4.54% | 4.54%
Payable | $ 228 |  |  | $ 267 |
Average payable rate | 3.86% |  | 3.86% |  |
Ndice Nacional De Preos Ao Consumidor Amplo Versus U S Fixed Rate Swap [Member] | Later than one year and not later than two years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | $ (4) |  |  |  |
Ndice Nacional De Preos Ao Consumidor Amplo Versus U S Fixed Rate Swap [Member] | Later than two years and not later than three years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (10) |  |  |  |
Ndice Nacional De Preos Ao Consumidor Amplo Versus U S Fixed Rate Swap [Member] | Later than three years and not later than four years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (43) |  |  |  |
I P C A [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (57) |  |  | (41) |
Derivatives settlement cash outflow inflow | (4) |  |  |  |
Value at risk | 3 |  |  |  |
I P C A [Member] | Later than one year and not later than two years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (4) |  |  |  |
I P C A [Member] | Later than two years and not later than three years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (10) |  |  |  |
I P C A [Member] | Later than three years and not later than four years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (43) |  |  |  |
Brazilian Real Fixed Rate Versus U S Fixed Rate Swap [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | 187 |  |  | $ 600 |
Derivatives settlement cash outflow inflow | 97 |  |  |  |
Value at risk | 35 |  |  |  |
Receivable | R$ |  |  | R$ 14,004 |  | R$ 12,660
Average receivable rate |  |  |  | 6.75% | 6.75%
Payable | $ 2,705 |  |  | $ 2,431 |
Average payable rate | 0.97% |  | 0.97% |  |
Brazilian Real Fixed Rate Versus U S Fixed Rate Swap [Member] | Later than one year and not later than two years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | $ 62 |  |  |  |
Brazilian Real Fixed Rate Versus U S Fixed Rate Swap [Member] | Later than two years and not later than three years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | 124 |  |  |  |
Brazilian Real Fixed Rate Versus U S Fixed Rate Swap [Member] | Later than three years and not later than four years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | 1 |  |  |  |
Forward contract [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | (57) |  |  | 50 |
Derivatives settlement cash outflow inflow | 20 |  |  |  |
Value at risk | 20 |  |  |  |
Receivable | R$ |  |  |  |  | R$ 1,209
Payable | $ 8,335 |  |  |  |
Average payable rate | 5.27% |  | 5.27% |  |
Forward contract [member] | Later than one year and not later than two years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | $ (62) |  |  |  |
Forward contract [member] | Later than two years and not later than three years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | 4 |  |  |  |
Forward contract [member] | Later than three years and not later than four years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | 1 |  |  |  |
Brazilian Fixed Rate Versus U S Fixed Rate [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | 130 |  |  | $ 650 |
Derivatives settlement cash outflow inflow | 117 |  |  |  |
Value at risk | 55 |  |  |  |
Brazilian Fixed Rate Versus U S Fixed Rate [Member] | Later than one year and not later than two years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities |  |  |  |  |
Brazilian Fixed Rate Versus U S Fixed Rate [Member] | Later than two years and not later than three years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | 128 |  |  |  |
Brazilian Fixed Rate Versus U S Fixed Rate [Member] | Later than three years and not later than four years [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Derivative financial liabilities | $ 2 |  |  |  |

X
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