DELTA AIR LINES INC /DE/ | 2013 | FY | 3


The following table shows the balance of our valuation allowance and the associated activity:
(in millions)
2013
2012
2011
Valuation allowance at beginning of period
$
10,963

$
10,705

$
9,632

Income tax provision
(975
)
(432
)
(351
)
Other comprehensive income tax benefit
(1,186
)
690

1,241

Release(1)
(8,310
)


Other
(315
)

183

Valuation allowance at end of period(2)
$
177

$
10,963

$
10,705


(1) 
In addition to tax valuation allowance release of $8.3 billion, we recorded an income tax expense of $321 million related to an income tax allocation as discussed below, resulting in a net income tax benefit of $8.0 billion in 2013.
(2) 
At December 31, 2013, 2012 and 2011, $13 million, $3.1 billion and $2.5 billion of deferred income tax expense was recorded in AOCI on our Consolidated Balance Sheets, respectively.


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