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Segmented information - Segmented Information (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 CAD ($) | Jun. 30, 2021 CAD ($) | Jun. 30, 2022 CAD ($) segment | Jun. 30, 2021 CAD ($)
Operating Segments [Abstract] |  |  |  |
Number of operating segments | segment |  |  | 3 |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | $ 5,861 | $ 5,698 | $ 11,711 | $ 11,404
Operating costs | (3,271) | (3,222) | (6,537) | (6,499)
Segment profit | 2,590 | 2,476 | 5,174 | 4,905
Severance, acquisition and other costs | (40) | (7) | (53) | (96)
Depreciation and amortization | (1,199) | (1,153) | (2,350) | (2,286)
Finance costs |  |  |  |
Interest expense | (269) | (268) | (529) | (535)
Net return on post-employment benefit plans | 7 | (5) | 25 | (10)
Impairment of assets | (106) | (164) | (108) | (167)
Other (expense) income | (97) | 91 | (4) | 99
Income taxes | (232) | (236) | (567) | (489)
Net earnings | 654 | 734 | 1,588 | 1,421
Operating Service |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 5,233 | 5,040 | 10,410 | 10,008
Operating Product |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 628 | 658 | 1,301 | 1,396
BELL WIRELESS |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 2,234 | 2,115 | 4,432 | 4,202
BELL WIRELESS | Operating Service |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 1,692 | 1,569 | 3,327 | 3,072
BELL WIRELESS | Operating Product |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 542 | 546 | 1,105 | 1,130
BELL WIRELINE |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 2,894 | 2,917 | 5,805 | 5,913
BELL WIRELINE | Operating Service |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 2,808 | 2,805 | 5,609 | 5,647
BELL WIRELINE | Operating Product |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 86 | 112 | 196 | 266
BELL MEDIA |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 733 | 666 | 1,474 | 1,289
Finance costs |  |  |  |
Impairment of assets |  |  |  | (163)
BELL MEDIA | Operating Service |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 733 | 666 | 1,474 | 1,289
BELL MEDIA | Operating Product |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 0 | 0 | 0 | 0
INTER- SEGMENT ELIMINA- TIONS |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | (201) | (188) | (399) | (376)
Operating costs | 201 | 188 | 399 | 376
INTER- SEGMENT ELIMINA- TIONS | Operating Service |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | (200) | (186) | (397) | (372)
INTER- SEGMENT ELIMINA- TIONS | Operating Product |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | (1) | (2) | (2) | (4)
INTER- SEGMENT ELIMINA- TIONS | BELL WIRELESS |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 12 | 13 | 24 | 26
INTER- SEGMENT ELIMINA- TIONS | BELL WIRELESS | Operating Service |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 11 | 11 | 22 | 22
INTER- SEGMENT ELIMINA- TIONS | BELL WIRELESS | Operating Product |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 1 | 2 | 2 | 4
INTER- SEGMENT ELIMINA- TIONS | BELL WIRELINE |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 101 | 86 | 203 | 171
INTER- SEGMENT ELIMINA- TIONS | BELL WIRELINE | Operating Service |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 101 | 86 | 203 | 171
INTER- SEGMENT ELIMINA- TIONS | BELL WIRELINE | Operating Product |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 0 | 0 | 0 | 0
INTER- SEGMENT ELIMINA- TIONS | BELL MEDIA |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 88 | 89 | 172 | 179
INTER- SEGMENT ELIMINA- TIONS | BELL MEDIA | Operating Service |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 88 | 89 | 172 | 179
INTER- SEGMENT ELIMINA- TIONS | BELL MEDIA | Operating Product |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 0 | 0 | 0 | 0
Operating segments | BELL WIRELESS |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 2,246 | 2,128 | 4,456 | 4,228
Operating costs | (1,197) | (1,159) | (2,398) | (2,336)
Segment profit | 1,049 | 969 | 2,058 | 1,892
Operating segments | BELL WIRELESS | Operating Service |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 1,703 | 1,580 | 3,349 | 3,094
Operating segments | BELL WIRELESS | Operating Product |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 543 | 548 | 1,107 | 1,134
Operating segments | BELL WIRELINE |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 2,995 | 3,003 | 6,008 | 6,084
Operating costs | (1,680) | (1,710) | (3,326) | (3,428)
Segment profit | 1,315 | 1,293 | 2,682 | 2,656
Operating segments | BELL WIRELINE | Operating Service |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 2,909 | 2,891 | 5,812 | 5,818
Operating segments | BELL WIRELINE | Operating Product |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 86 | 112 | 196 | 266
Operating segments | BELL MEDIA |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 821 | 755 | 1,646 | 1,468
Operating costs | (595) | (541) | (1,212) | (1,111)
Segment profit | 226 | 214 | 434 | 357
Operating segments | BELL MEDIA | Operating Service |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 821 | 755 | 1,646 | 1,468
Operating segments | BELL MEDIA | Operating Product |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | $ 0 | $ 0 | $ 0 | $ 0

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