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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2017
Intangible Assets [Abstract] |
Disclosure of changes in carrying amounts of goodwill | The following table provides details about the changes in the carrying amounts of goodwill for the years ended December 31, 2017 and 2016. BCE’s groups of CGUs correspond to our reporting segments.
| BELL WIRELESS |  | BELL WIRELINE |  | BELL MEDIA |  | BCE |
Balance at January 1, 2016 | 2,303 |  | 3,491 |  | 2,583 |  | 8,377 |
Acquisitions and other | 1 |  | 340 |  | 240 |  | 581 |
Balance at December 31, 2016 | 2,304 |  | 3,831 |  | 2,823 |  | 8,958 |
Acquisitions and other | 728 |  | 666 |  | 76 |  | 1,470 |
Balance at December 31, 2017 | 3,032 |  | 4,497 |  | 2,899 |  | 10,428 |
Disclosure of key assumptions used to estimate the recoverable amounts of the groups CGUs | The following table shows the key assumptions used to estimate the recoverable amounts of the groups of CGUs.
| ASSUMPTIONS USED
| PERPETUITY |  | DISCOUNT |
GROUPS OF CGUs | GROWTH RATE |  | RATE |
Bell Wireless | 0.8 | % | 9.1 | %
Bell Wireline | 1.0 | % | 6.0 | %
Bell Media | 1.0 | % | 8.5 | %

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- Definition Intangible Assets [Abstract] + References No definition available. + Details
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- Definition The disclosure of information for cash-generating units. [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2017-01-01 -Paragraph 134 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2017-03-01&anchor=para_134&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The disclosure of the reconciliation of changes in intangible assets and goodwill. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2017-01-01 -Paragraph 118 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2017-03-01&anchor=para_118&doctype=Standard -URIDate 2017-03-09 + Details
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