Revenues

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Revenues

Revenues

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

	For the three months ended June 30				For the six months ended June 30
(in millions of Canadian dollars)	2021		2020		2021		2020
Freight
Grain	$	444	$	446	$	892	$	864
Coal	170		131		333		281
Potash	134		146		235		258
Fertilizers and sulphur	78		77		155		147
Forest products	90		81		170		159
Energy, chemicals and plastics	369		341		757		832
Metals, minerals and consumer products	180		133		339		322
Automotive	98		34		206		121
Intermodal	445		363		839		768
Total freight revenues	2,008		1,752		3,926		3,752
Non-freight excluding leasing revenues	26		25		50		54
Revenues from contracts with customers	2,034		1,777		3,976		3,806
Leasing revenues	20		15		37		29
Total revenues	$	2,054	$	1,792	$	4,013	$	3,835

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 Interim Consolidated Balance Sheets.

The following table summarizes the changes in contract liabilities:

	For the three months ended June 30				For the six months ended June 30
(in millions of Canadian dollars)	2021		2020		2021		2020
Opening balance	$	114	$	112	$	61	$	146
Revenue recognized that was included in the contract liability balance at the beginning of the period	(19)		(37)		(23)		(73)
Increase due to consideration received, net of revenue recognized during the period	150		4		207		6
Closing balance	$	245	$	79	$	245	$	79