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Segmented information - Narrative (Details) | Dec. 31, 2023 store segment
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Operating Segments [Abstract] |
Number of reportable segments | segment | 2
Number of consumer electronics retail stores | 165
Number of consumer electronics retail stores expected to close | 107

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- Definition Number Of Consumer Electronics Retail Stores + References No definition available. + Details
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Namespace Prefix: | bce_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Number Of Consumer Electronics Retail Stores Expected To Close + References No definition available. + Details
Name: | bce_NumberOfConsumerElectronicsRetailStoresExpectedToClose
Namespace Prefix: | bce_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Number Of Reportable Segments1 + References No definition available. + Details
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Namespace Prefix: | bce_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Operating Segments [Abstract] + References No definition available. + Details
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Namespace Prefix: | bce_
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