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Other Assets (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of financial assets [abstract]

Disclosure of components in other non current assets

The components of other assets are as follows:



As at Dec. 31	2017		2016
South Hedland prepaid transmission access and distribution	75		—
Deferred licence fees	13		15
Project development costs	53		46
Deferred service costs	15		16
Mississauga long-term receivable (Note 4)	—		116
Long-term prepaids and other assets	44		44
Loan receivable	33		—
Keephills Unit 3 transmission deposit	4		5
Total other assets	237		242

Additions to non-current assets are as follows:



Year ended Dec. 31, 2017	Canadian Coal		US Coal		Canadian Gas		Australian Gas		Wind and Solar		Hydro		Energy Marketing		Corporate		Total
Additions to non-current assets:
PP&E	116		35		31		114		20		16		—		6		338
Intangible assets	5		1		—		29		—		—		—		16		51

Year ended Dec. 31, 2016	Canadian Coal		US Coal		Canadian Gas		Australian Gas		Wind and Solar		Hydro		Energy Marketing		Corporate		Total
Additions to non-current assets:
PP&E	159		15		11		107		16		43		—		7		358
Intangibles	3		1		1		—		—		—		—		16		21

Year ended Dec. 31, 2015	Canadian Coal		US Coal		Canadian Gas		Australian Gas		Wind and Solar		Hydro		Energy Marketing		Corporate		Total
Additions to non-current assets:
PP&E	179		13		19		204		13		43		1		4		476
Intangibles	6		—		—		—		—		—		3		17		26