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Employee Benefit Plans (Asset Class) (Details) - Defined benefit pension plans | Dec. 31, 2020
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Short-term securities | Canadian Pension Plans | Range, Minimum |
Pension Plan Asset Allocations |
Target Range at Market | 0.00%
Short-term securities | Canadian Pension Plans | Range, Maximum |
Pension Plan Asset Allocations |
Target Range at Market | 5.00%
Fixed income | Canadian Pension Plans | Range, Minimum |
Pension Plan Asset Allocations |
Target Range at Market | 35.00%
Fixed income | Canadian Pension Plans | Range, Maximum |
Pension Plan Asset Allocations |
Target Range at Market | 50.00%
Fixed income | Non-Canadian Pension Plans | Range, Minimum |
Pension Plan Asset Allocations |
Target Range at Market | 30.00%
Fixed income | Non-Canadian Pension Plans | Range, Maximum |
Pension Plan Asset Allocations |
Target Range at Market | 50.00%
Equities: Canadian | Canadian Pension Plans | Range, Minimum |
Pension Plan Asset Allocations |
Target Range at Market | 12.00%
Equities: Canadian | Canadian Pension Plans | Range, Maximum |
Pension Plan Asset Allocations |
Target Range at Market | 22.00%
Equities: Non-Canadian | Canadian Pension Plans | Range, Minimum |
Pension Plan Asset Allocations |
Target Range at Market | 30.00%
Equities: Non-Canadian | Canadian Pension Plans | Range, Maximum |
Pension Plan Asset Allocations |
Target Range at Market | 55.00%
Equities: Non-Canadian | Non-Canadian Pension Plans | Range, Minimum |
Pension Plan Asset Allocations |
Target Range at Market | 50.00%
Equities: Non-Canadian | Non-Canadian Pension Plans | Range, Maximum |
Pension Plan Asset Allocations |
Target Range at Market | 70.00%

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- Definition Percentage of target 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/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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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