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Goodwill and Other Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2022
Goodwill and Other Intangible Assets  
Segment breakdown of Goodwill and Other Intangible Assets

Refining and 

    

Oil Sands

    

Marketing

    

Other

    

  

($ millions)

Goodwill

Goodwill

Intangibles

Total

At December 31, 2020

 

2 752

 

140

 

436

 

3 328

Additions

-

-

213

213

Amortization

 

-

-

(18)

(18)

At December 31, 2021

 

2 752

 

140

 

631

 

3 523

Additions

-

-

140

140

Amortization

-

-

(57)

(57)

Reclassified to assets held for sale (note 33)

 

-

-

(20)

(20)

At December 31, 2022

 

2 752

 

140

 

694

 

3 586