Revenues

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Revenues

The following table disaggregates the Company’s revenues from contracts with customers by major source:



(in millions of Canadian dollars)	2019		2018		2017
Freight
Grain	$	1,684	$	1,566	$	1,532
Coal	682		673		631
Potash	462		486		411
Fertilizers and sulphur	250		243		241
Forest products	304		284		265
Energy, chemicals and plastics	1,534		1,243		898
Metals, minerals and consumer products	752		797		739
Automotive	352		322		293
Intermodal	1,593		1,538		1,365
Total freight revenues	7,613		7,152		6,375
Non-freight excluding leasing revenues	116		102		117
Revenues from contracts with customers	7,729		7,254		6,492
Leasing revenues	63		62		62
Total revenues	$	7,792	$	7,316	$	6,554

Contract liabilities

Contract liabilities represent payments received for performance obligations not yet satisfied and relate to deferred revenue and are presented as components of "Accounts payable and accrued liabilities" and "Other long-term liabilities" on the Company's Consolidated Balance Sheets.

The following table summarizes the changes in contract liabilities for the years ended December 31, 2019 and 2018:



(in millions of Canadian dollars)	2019			2018
Opening balance	$	2		$	2
Revenue recognized that was included in the contract liability balance at the beginning of the period	(2		)	(2		)
Increases due to consideration received, net of revenue recognized during the period	146			2
Closing balance	$	146		$	2