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TRADE PAYABLES AND OTHER
12 Months Ended
Dec. 31, 2019
Subclassifications of assets, liabilities and equities [abstract]  
TRADE PAYABLES AND OTHER
TRADE PAYABLES AND OTHER
As at December 31
 
 
($ millions)
2019

2018

Trade payables
717

519

Other payables & accrued liabilities
296

284

Total trade payables and other
1,013

803