XML 128 R114.htm IDEA: XBRL DOCUMENT
v3.21.1

16 Property, plant and equipment (Details 2) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment, beginning | R$ 314,393 | R$ 267,612 | R$ 255,050
Additions | 42,407 | 78,159 | 50,645
Transfers | (57,457) | 2,830 | 1,458
Write-offs and disposals | (277) | (593) | (108)
Depreciation | (30,815) | (33,615) | (39,433)
Property, plant, and equipment, ending | 268,251 | 314,393 | 267,612
Land [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment, beginning | 92,962 | 92,979 | 92,507
Transfers | 1,251 | (17) | 472
Property, plant, and equipment, ending | 94,213 | 92,962 | 92,979
Buildings [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment, beginning | 41,705 | 40,125 | 42,360
Additions | 5,430 | 3,497 | 73
Transfers | (713) | 15 | 0
Write-offs and disposals |  |  | 0
Depreciation | (1,075) | (1,932) | (2,308)
Property, plant, and equipment, ending | 45,347 | 41,705 | 40,125
Equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment, beginning | 152,273 | 116,086 | 103,803
Additions | 26,055 | 63,216 | 46,473
Transfers | (49,188) | 3,149 | 986
Write-offs and disposals | (174) | (429) | (81)
Depreciation | (27,950) | (29,749) | (35,095)
Property, plant, and equipment, ending | 101,016 | 152,273 | 116,086
Transportation equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment, beginning | 1,984 | 3,473 | 3,680
Additions | 298 | 308 | 589
Transfers | 1,351 | (1,117) |
Write-offs and disposals |  | (2) |
Depreciation | (664) | (678) | (796)
Property, plant, and equipment, ending | 2,969 | 1,984 | 3,473
Furniture and fixtures [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment, beginning | 18,219 | 13,578 | 11,816
Additions | 4,087 | 5,266 | 2,972
Transfers | (3,712) | 734 |
Write-offs and disposals | (103) | (162) | (27)
Depreciation | (1,072) | (1,197) | (1,183)
Property, plant, and equipment, ending | 17,419 | 18,219 | 13,578
Other [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment, beginning | 7,250 | 1,371 | 884
Additions | 6,537 | 5,872 | 538
Transfers | (6,446) | 66 |
Depreciation | (54) | (59) | (51)
Property, plant, and equipment, ending | R$ 7,287 | R$ 7,250 | R$ 1,371

X
- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_e_vii&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_75_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_DepreciationPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_e&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_e&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_PropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount recognised resulting from the write-down of property, plant and equipment to its recoverable amount or reversals of those write-downs. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 98 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_98_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_WritedownsReversalsOfPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_LandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_BuildingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=sbs_TransportEquipmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_FixturesAndFittingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_OtherPropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |