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Accumulated Other Comprehensive Income (Loss)
 12 Months Ended
Feb. 28, 2018
Equity [Abstract]  
Accumulated Other Comprehensive Income (Loss)
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
The components of accumulated other comprehensive loss are as follows:
 
As at
 
February 28, 2018
 
February 28, 2017
 
February 29, 2016
Accumulated net unrealized gains (losses) on available-for-sale investments
$
(7
)
 
$
(4
)
 
$
3

Accumulated net unrealized losses on derivative instruments designated as cash flow hedges, net of tax
(1
)
 
—

 
(1
)
Foreign currency cumulative translation adjustment
(1
)
 
(13
)
 
(10
)
Actuarial losses associated with other post-employment benefit obligations
(1
)
 
—

 
—

Accumulated other comprehensive loss
$
(10
)
 
$
(17
)

$
(8
)

During the year ended February 28, 2018, $2 million in gains (pre-tax and post-tax) associated with cash flow hedges were reclassified from AOCI into selling, marketing and administration expenses. For details concerning the impact of the adoption of ASU 2016-01 on AOCI, see Note 2.