XML 62 R53.htm IDEA: XBRL DOCUMENT v3.22.0.1
Recent Accounting Pronouncements (Details)
$ in Millions, $ in Millions
Dec. 31, 2021
USD ($)
Dec. 31, 2021
CAD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2020
CAD ($)
Non-Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Outstanding borrowings under the revolving credit facility $ 572 $ 723 $ 289 $ 368