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Other Receivables (Tables)

12 Months Ended

Dec. 31, 2017

Notes to Consolidated Financial Statements [Abstract]

Other receivables

	As at December 31
	2017	2016
	$ millions	$ millions

Government institutions	78	39
Prepaid expenses	33	25
Insurance receivables	26	6
Current tax assets	16	66
Advances to suppliers	10	15
Other	62	71
	225	222