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Segmented information - Segmented Information (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 CAD ($) | Jun. 30, 2018 CAD ($) | Jun. 30, 2019 CAD ($) segment | Jun. 30, 2018 CAD ($)
Operating Segments [Abstract] |  |  |  |
Number of operating segments | segment |  |  | 3 |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | $ 5,930 | $ 5,786 | $ 11,664 | $ 11,376
Operating costs | (3,335) | (3,356) | (6,660) | (6,692)
Segment profit | 2,595 | 2,430 | 5,004 | 4,684
Severance, acquisition and other costs | (39) | (24) | (63) | (24)
Depreciation and amortization | (1,111) | (1,008) | (2,214) | (2,000)
Finance costs |  |  |  |
Interest expense | (281) | (246) | (564) | (486)
Interest on post-employment benefit obligations | (15) | (17) | (31) | (34)
Other (expense) income | (56) | (88) | 45 | (149)
Income taxes | (276) | (292) | (569) | (527)
Net earnings | 817 | 755 | 1,608 | 1,464
BELL WIRELESS |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 2,175 | 2,107 | 4,274 | 4,115
BELL WIRELINE |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 3,018 | 3,002 | 6,013 | 5,953
BELL MEDIA |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 737 | 677 | 1,377 | 1,308
Operating segments | BELL WIRELESS |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 2,189 | 2,121 | 4,301 | 4,142
Operating costs | (1,209) | (1,229) | (2,416) | (2,439)
Segment profit | 980 | 892 | 1,885 | 1,703
Operating segments | BELL WIRELINE |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 3,088 | 3,061 | 6,152 | 6,070
Operating costs | (1,727) | (1,728) | (3,452) | (3,424)
Segment profit | 1,361 | 1,333 | 2,700 | 2,646
Operating segments | BELL MEDIA |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 842 | 791 | 1,587 | 1,540
Operating costs | (588) | (586) | (1,168) | (1,205)
Segment profit | 254 | 205 | 419 | 335
INTER- SEGMENT ELIMINA- TIONS |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | (189) | (187) | (376) | (376)
Operating costs | 189 | 187 | 376 | 376
INTER- SEGMENT ELIMINA- TIONS | BELL WIRELESS |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 14 | 14 | 27 | 27
INTER- SEGMENT ELIMINA- TIONS | BELL WIRELINE |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | 70 | 59 | 139 | 117
INTER- SEGMENT ELIMINA- TIONS | BELL MEDIA |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Operating revenues | $ 105 | $ 114 | $ 210 | $ 232

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