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Related and Interested Parties (Tables)
12 Months Ended
Dec. 31, 2019
Notes to Consolidated Financial Statements [Abstract]  
Benefits to key management personnel
Transactions with related and interested parties
Balances with interested parties

Composition:

 

As at December 31

 

2019

2018

 

$ millions

$ millions

 

Other current assets

27

28

 

 

 

Other current liabilities

2

7