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Intangible assets (Details 1) - BRL (R$) R$ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
IfrsStatementLineItems [Line Items] |  |
Intangible assets, beginning | R$ 44,012,858 | R$ 39,320,871
Additions | 133,759 | 322
Transfer of contract assets | 1,082,990 | 1,105,061
Transfers | (4,843) | (28,780)
Write-offs and disposals | (804) | (3,232)
Amortization | (764,838) | (650,041)
Intangible assets, ending | 44,459,122 | 39,744,201
Agreements Equity Value [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets, beginning | 506,117 | 499,326
Additions |  |
Transfer of contract assets | 6,587 | 4,098
Transfers | 39 | (955)
Write-offs and disposals | (20) | (6)
Amortization | (5,327) | (4,994)
Intangible assets, ending | 507,396 | 497,469
Agreements Economic Value [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets, beginning | 637,760 | 652,039
Additions |  |
Transfer of contract assets | 1,089 | 2,589
Transfers | (4) | 331
Write-offs and disposals |  | (85)
Amortization | (37,054) | (30,249)
Intangible assets, ending | 601,791 | 624,625
Agreements New Contracts [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets, beginning | 147,589 |
Additions |  |
Transfer of contract assets |  |
Transfers |  |
Write-offs and disposals |  |
Amortization | (1,233) |
Intangible assets, ending | 146,356 |
Program Contracts [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets, beginning | 20,684,497 | 18,337,459
Additions | 181 | 2
Transfer of contract assets | 663,509 | 569,717
Transfers | (930) | (288)
Write-offs and disposals | (606) | (2,055)
Amortization | (296,369) | (252,011)
Intangible assets, ending | 21,050,282 | 18,652,824
Program Contracts Commitments [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets, beginning | 1,212,026 | 1,264,992
Additions |  |
Transfer of contract assets |  |
Transfers |  |
Write-offs and disposals |  |
Amortization | (13,242) | (13,242)
Intangible assets, ending | 1,198,784 | 1,251,750
Service Contracts Sao Paulo[Member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets, beginning | 20,193,585 | 17,870,451
Additions |  |
Transfer of contract assets | 404,279 | 513,453
Transfers | (3,949) | (1,720)
Write-offs and disposals | (132) | (1,056)
Amortization | (354,719) | (299,179)
Intangible assets, ending | 20,239,064 | 18,081,949
Software License [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets, beginning | 513,224 | 595,404
Additions | 2,911 |
Transfer of contract assets | 7,526 | 15,204
Transfers | 1 |
Write-offs and disposals |  |
Amortization | (34,904) | (33,105)
Intangible assets, ending | 488,758 | 577,503
Right Of Use Other Assets [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets, beginning | 118,060 | 75,052
Additions | 130,667 | 320
Transfer of contract assets |  |
Transfers |  |
Write-offs and disposals | (46) | (30)
Amortization | (21,990) | (17,261)
Intangible assets, ending | R$ 226,691 | 58,081
Right Of Use Investments [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Intangible assets, beginning |  | 26,148
Additions |  |
Transfer of contract assets |  |
Transfers |  | (26,148)
Write-offs and disposals |  |
Amortization |  |
Intangible assets, ending |  |

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- Definition The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2023-03-23 + Details
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