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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts
Schedule II - Valuation and Qualifying Accounts
(in millions of Canadian dollars)
Beginning balance at January 1

Additions charged to expenses

Payments and other reductions

Impact of FX

Ending
balance at December 31

Accruals for legal, personal injury and casualty-related claims(1)
2013
$
172

$
62

$
(84
)
$
3

$
153

2014
$
153

$
32

$
(38
)
$
3

$
150

2015
$
150

$
79

$
(102
)
$
6

$
133

Environmental liabilities
2013
$
89

$
6

$
(9
)
$
4

$
90

2014
$
90

$
4

$
(9
)
$
6

$
91

2015
$
91

$
7

$
(17
)
$
12

$
93

(1) Includes WCB, FELA, occupational, foreign car damage and property & lading damage claims.