XML 128 R99.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Supplemental Cash Flow Information (Details) - CAD CAD in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Supplemental Cash Flow Information |  |
Accounts receivable | CAD (79.0) | CAD (471.0)
Inventories | (268.0) | (218.0)
Accounts payable and accrued liabilities | 68.0 | 110.0
Current portion of provisions | (48.0) | (98.0)
Income taxes payable (net) | 421.0 | 145.0
Total (increase) decrease in working capital | 94.0 | (532.0)
Relating to : |  |
Increase in non-cash working capital | (173.0) | (308.0)
Decrease (increase) in non-cash working capital | 267.0 | (224.0)
Total (increase) decrease in working capital | CAD 94.0 | CAD (532.0)

X
- Definition Adjustments for decrease (increase) in inventories to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Inventories; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 20 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_20_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_AdjustmentsForDecreaseIncreaseInInventories
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for decrease (increase) in trade accounts receivable to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 20 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_20_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for income tax expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 35 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_35&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_AdjustmentsForIncomeTaxExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for increase (decrease) in trade and other payables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other payables; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_20&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for provisions to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Provisions; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 20 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_20_b&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_AdjustmentsForProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition n/a + References No definition available. + Details
Name: | su_ActivityWiseBreakUpOfIncreaseDecreaseInNonCashWorkingCapitalAbstract
Namespace Prefix: | su_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the (increase) decrease in non-cash working capital. + References No definition available. + Details
Name: | su_IncreaseDecreaseInNonCashWorkingCapital
Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition (Increase) Decrease in non-cash working capital from assets and liabilities used for investing activities. + References No definition available. + Details
Name: | su_IncreaseDecreaseInNonCashWorkingCapitalFromInvestingActivities
Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition (Increase) Decrease in non-cash working capital from assets and liabilities used for operating activities. + References No definition available. + Details
Name: | su_IncreaseDecreaseInNonCashWorkingCapitalFromOperatingActivities
Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition n/a + References No definition available. + Details
Name: | su_SupplementalInformationRelatedToCashFlowAbstract
Namespace Prefix: | su_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration