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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
 12 Months Ended
Dec. 31, 2015
Equity [Abstract]  
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

Comprehensive income includes changes in the fair value of certain financial derivative instruments that qualify for hedge accounting, unrealized gains and losses on certain investments, and actuarial gains/losses arising from the Company’s postretirement benefit obligation. A rollforward of the amounts included in AOCI, net of taxes, is shown below for 2015 and 2014:

(in millions)
Fuel derivatives
 
Interest rate derivatives
 
Defined benefit plan items
 
Other
 
Deferred tax impact
 
Accumulated other
comprehensive income (loss)
Balance at December 31, 2013
$
(20
)

$
(58
)

$
65


$
8


$
2

 
$
(3
)
Changes in fair value
(1,191
)

(10
)

(24
)

—


454

 
(771
)
Reclassification to earnings
34


23


—


—


(21)

 
36

Balance at December 31, 2014
$
(1,177
)

$
(45
)

$
41


$
8


$
435


$
(738
)
Changes in fair value
(867
)

(5
)

(19
)

(2
)

329

 
(564
)
Reclassification to earnings
378


20


—


—


(147)

 
251

Balance at December 31, 2015
$
(1,666
)

$
(30
)

$
22


$
6


$
617


$
(1,051
)

The following table illustrates the significant amounts reclassified out of each component of AOCI for the year ended December 31, 2015:

Year ended December 31, 2015
(in millions)
 
Amounts reclassified from AOCI
 
Affected line item in the Consolidated Statement of Comprehensive Income
AOCI components
 
 
Unrealized loss on fuel derivative instruments
 
$
378

 
Fuel and oil expense
 
 
140

 
Less: Tax expense
 
 
$
238

 
Net of tax
Unrealized loss on interest rate derivative instruments
 
$
20

 
Interest expense
 
 
7

 
Less: Tax expense
 
 
$
13

 
Net of tax
 
 
 
 
 
Total reclassifications for the period
 
$
251

 
Net of tax