XML 109 R48.htm IDEA: XBRL DOCUMENT
v3.19.1

Interest expense (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Borrowing costs [abstract] |
Disclosure of interest expense |
FOR THE YEAR ENDED DECEMBER 31 | 2018 |  | 2017 |
Interest expense on long-term debt | (918 | ) | (898 | )
Interest expense on other debt | (133 | ) | (101 | )
Capitalized interest | 51 |  | 44 |
Total interest expense | (1,000 | ) | (955 | )

X
- Definition Disclosure Of Interest Expense Explanatory [Table Text Block] + References No definition available. + Details
Name: | bce_DisclosureOfInterestExpenseExplanatoryTableTextBlock
Namespace Prefix: | bce_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_BorrowingCostsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration