v3.19.3.a.u2

Employee benefit plans - Weighted average asset allocations (Details) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Defined Benefit Plan |  |
Percentage of plan assets | 100.00% | 100.00%
Canadian equity |  |
Defined Benefit Plan |  |
Percentage of plan assets | 30.00% | 29.00%
U.S. equity |  |
Defined Benefit Plan |  |
Percentage of plan assets | 14.00% | 14.00%
International equity |  |
Defined Benefit Plan |  |
Percentage of plan assets | 14.00% | 13.00%
Canadian fixed income |  |
Defined Benefit Plan |  |
Percentage of plan assets | 39.00% | 41.00%
Real estate equities |  |
Defined Benefit Plan |  |
Percentage of plan assets | 3.00% | 3.00%

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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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