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Property, plant and equipment, intangible assets, goodwill, right-of-use assets and contract assets - Summary of Intangible Assets and Goodwill (Detail) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | R$ 17,308,439 |
Ending balance | 17,781,498 | R$ 17,308,439
Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 22,046,411 | 20,627,829
Additions | 219,050 | 137,199
Disposals | (173,229) | (94,892)
Transfers | 1,165,352 | (61,047)
Effect of exchange rate fluctuations | 50,699 | 1,066,533
Discontinued operation |  | 181,005
Ending balance | 23,308,283 | 22,046,411
Depreciation and Amortization [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (4,737,972) | (3,784,170)
Additions | (755,633) | (677,024)
Disposals | 156,178 | 21,958
Transfers | (179,007) | (275,904)
Effect of exchange rate fluctuations | (10,351) | (22,832)
Ending balance | (5,526,785) | (4,737,972)
Goodwill [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 1,088,720 |
Ending balance | 1,132,817 | 1,088,720
Goodwill [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 1,088,720 | 904,977
Additions | 24,696 | 8,167
Disposals | (224) | (94,892)
Transfers |  |
Effect of exchange rate fluctuations | 19,625 |
Discontinued operation |  | 80,684
Ending balance | 1,132,817 | 1,088,720
Goodwill [member] | Depreciation and Amortization [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance |  |
Additions |  |
Disposals |  |
Transfers |  |
Effect of exchange rate fluctuations |  |
Ending balance |  |
Concession rights [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 15,318,664 |
Ending balance | 15,706,265 | 15,318,664
Concession rights [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 18,676,443 | 18,024,518
Additions | 765 | 5,227
Disposals | (169,815) |
Transfers | 1,109,131 | (48,442)
Effect of exchange rate fluctuations |  | 695,140
Discontinued operation |  |
Ending balance | 19,616,524 | 18,676,443
Concession rights [member] | Depreciation and Amortization [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (3,357,779) | (2,884,699)
Additions | (588,411) | (490,100)
Disposals | 152,236 | 17,030
Transfers | (116,305) | (10)
Effect of exchange rate fluctuations |  |
Ending balance | (3,910,259) | (3,357,779)
Operating license [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 187,899 |
Ending balance | 211,895 | 187,899
Operating license [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 435,795 | 435,795
Additions | 35,834 |
Disposals |  |
Transfers | (92,447) |
Effect of exchange rate fluctuations |  |
Discontinued operation |  |
Ending balance | 379,182 | 435,795
Operating license [member] | Depreciation and Amortization [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (247,896) | (236,122)
Additions | (11,838) | (11,774)
Disposals |  |
Transfers | 92,447 |
Effect of exchange rate fluctuations |  |
Ending balance | (167,287) | (247,896)
Trademarks [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 54,207 |
Ending balance | 57,439 | 54,207
Trademarks [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 54,207 | 46,170
Additions |  |
Disposals |  |
Transfers | 9,201 |
Effect of exchange rate fluctuations | 3,232 | (5,504)
Discontinued operation |  | 13,541
Ending balance | 66,640 | 54,207
Trademarks [member] | Depreciation and Amortization [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance |  | (9,201)
Additions |  |
Disposals |  |
Transfers | (9,201) | 9,201
Effect of exchange rate fluctuations |  |
Ending balance | (9,201) |
Customer-related intangible assets [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 519,915 |
Ending balance | 575,459 | 519,915
Customer-related intangible assets [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 1,424,947 | 829,091
Additions | 155,469 | 111,656
Disposals | (44) |
Transfers | (786) | (131)
Effect of exchange rate fluctuations | 24,481 | 408,470
Discontinued operation |  | 75,861
Ending balance | 1,604,067 | 1,424,947
Customer-related intangible assets [member] | Depreciation and Amortization [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (905,032) | (410,449)
Additions | (116,860) | (86,162)
Disposals | 114 | 111
Transfers | 533 | (390,554)
Effect of exchange rate fluctuations | (7,363) | (17,978)
Ending balance | (1,028,608) | (905,032)
Other [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 139,034 |
Ending balance | 97,623 | 139,034
Other [member] | Cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | 366,299 | 387,278
Additions | 2,286 | 12,149
Disposals | (3,146) |
Transfers | 140,253 | (12,474)
Effect of exchange rate fluctuations | 3,361 | (31,573)
Discontinued operation |  | 10,919
Ending balance | 509,053 | 366,299
Other [member] | Depreciation and Amortization [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Beginning balance | (227,265) | (243,699)
Additions | (38,524) | (88,988)
Disposals | 3,828 | 4,817
Transfers | (146,481) | 105,459
Effect of exchange rate fluctuations | (2,988) | (4,854)
Ending balance | R$ (411,430) | R$ (227,265)

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