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Related Party Disclosures (Details) - CAD CAD in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
RELATED PARTY DISCLOSURES |  |
Sales | CAD 590 | CAD 667
Purchases | 223 | 152
Accounts receivable | 44 | 61
Accounts payable and accrued liabilities | 28 | 42
Compensation of Key Management Personnel |  |
Salaries and other short-term benefits | 12 | 13
Pension and other post-retirement benefits | 5 | 5
Share-based compensation | 49 | 74
Total | 66 | 92
Parachem Chemicals Inc |  |
RELATED PARTY DISCLOSURES |  |
Sales | 301 | 219
UPI Inc |  |
RELATED PARTY DISCLOSURES |  |
Sales | CAD 0 | CAD 226

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- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2017-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_17&doctype=Standard -URIDate 2017-03-09 + Details
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