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Other Assets (Tables)
12 Months Ended
Dec. 31, 2018
Disclosure of financial assets [abstract]  
Disclosure of components in other assets
The components of other assets are as follows:
As at Dec. 31
2018

2017

South Hedland prepaid transmission access and distribution costs
72

75

Deferred licence fees
11

13

Project development costs
47

53

Deferred service costs
12

15

Long-term prepaids and other assets
53

44

Loan receivable
37

33

Keephills Unit 3 transmission deposit
2

4

Total other assets
234

237