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Other Liabilities and Deferred Credits (Tables)
 12 Months Ended
Dec. 31, 2019
Other Liabilities Disclosure [Abstract]  
Other liabilities and deferred credits
In millions
December 31,
2019

 
2018

Personal injury and other claims provisions (Note 19) (1)
$
261

 
$
249

Contract liabilities (Note 4) (1)
161

 
—

Environmental provisions (Note 19) (1)
19

 
22

Stock-based compensation liability (Note 17)
16

 
19

Deferred credits and other
177

 
211

Total other liabilities and deferred credits
$
634

 
$
501


(1)
See Note 12 – Accounts payable and other for the related current portion.