Goodwill (Tables)

12 Months Ended

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	%