XML 66 R53.htm IDEA: XBRL DOCUMENT v3.20.2
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Changes in Level 3 (Details) - CAD ($)
$ in Millions
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Changes in net fair value of derivative assets and liabilities classified as Level 3    
Level 3 net derivative liability at beginning of period $ (69) $ (11)
Total gain/(loss) unrealized    
Included in earnings (107) 103
Included in OCI 7 (20)
Settlements 41 (174)
Level 3 net derivative liability at end of period $ (128) $ (102)