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Intangible and Other Assets
12 Months Ended
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible and other assets
Intangible and other assets
In millions
December 31,
2018

 
2017

Intangible assets
 
$
73

 
$
62

Investments (1)
 
70

 
73

Deferred costs
 
61

 
61

Long-term receivables
 
26

 
26

Other long-term assets
 
37

 
34

Total intangible and other assets
 
$
267

 
$
256

(1)
As at December 31, 2018, the Company had $54 million (2017 - $58 million) of investments accounted for under the equity method and $16 million (2017 - $15 million) of investments for which fair value was not readily determinable accounted for at cost minus impairment, plus or minus observable price changes.