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Onerous Contract Provisions (Tables)
 6 Months Ended
Jun. 30, 2019
Onerous Contracts Provision [Abstract]  
Summary of Onerous Contract Provisions

 

Total

 

As at January 1, 2019 (Note 3)

 

78

 

Liabilities Settled

 

(6

)

Change in Assumptions

 

(11

)

Change in Discount Rate

 

4

 

Unwinding of Discount on Onerous Contract Provisions

 

2

 

As at June 30, 2019

 

67

 

Less: Current Portion

 

16

 

Long-Term Portion

 

51