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Net Other Operating (Income) Loss (Tables)
12 Months Ended
Dec. 31, 2022
Analysis of income and expense [abstract]  
Disclosure of components of net other operating (income) Loss
Net other operating (income) loss includes the following:
Year ended Dec. 31202220212020
Alberta Off-Coal Agreement(40)(40)(40)
Liquidated damages recoverable(12)— — 
Insurance recoveries(7)— — 
Supplier and other contract settlements5 34 — 
Onerous contract provisions 14 29 
Retail power contract amortization (Note 27)
(4)— — 
Net other operating (income) loss(58)(11)