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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2012
Income Tax Disclosure [Abstract]  
Components Of Income Tax Provision (Benefit)
The significant components of the income tax provision (benefit) were (in millions):
 
 
 
Year Ended  December 31,
 
 
2012
 
2011
 
2010
Current
 
$

 
$
(25
)
 
$
(5
)
Deferred
 
(569
)
 
25

 
(30
)
Income tax benefit
 
$
(569
)
 
$

 
$
(35
)
Computation Of Income Tax Expense (Benefit)
The income tax expense (benefit) differed from amounts computed at the statutory federal income tax rate as follows (in millions):
 
 
 
Year Ended  December 31,
 
 
2012
 
2011
 
2010
Statutory income tax provision expense/(benefit)
 
$
(873
)
 
$
(686
)
 
$
(177
)
State income tax expense/(benefit), net of federal tax effect
 
(35
)
 
(32
)
 
(2
)
Meal expense
 
6

 
6

 
6

Bankruptcy administration expenses
 
26

 

 

Change in valuation allowance
 
858

 
697

 
127

Tax benefit resulting from OCI allocation
 
(569
)
 

 

Other, net
 
18

 
15

 
11

Income tax benefit
 
$
(569
)
 
$

 
$
(35
)
Deferred Tax Assets And Liabilities
The components of the Company's deferred tax assets and liabilities were (in millions):
 


 
 
December  31,
 
 
2012
 
2011
Deferred tax assets:
 
 
 
 
Postretirement benefits other than pensions
 
$
442

 
$
1,075

Rent expense
 
60

 
257

Alternative minimum tax credit carryforwards
 
493

 
493

Operating loss carryforwards
 
2,296

 
2,271

Pensions
 
2,455

 
2,337

Frequent flyer obligation
 
657

 
680

Gains from lease transactions
 
5

 
26

Reorganization items
 
863

 

Other
 
963

 
885

Total deferred tax assets
 
8,234

 
8,024

Valuation allowance
 
(5,084
)
 
(4,802
)
Net deferred tax assets
 
3,150

 
3,222

Deferred tax liabilities:
 
 
 
 
Accelerated depreciation and amortization
 
(2,960
)
 
(3,045
)
Other
 
(190
)
 
(177
)
Total deferred tax liabilities
 
(3,150
)
 
(3,222
)
Net deferred tax asset
 
$

 
$

Reconciliation Of Unrecognized Tax Benefit
The reconciliation of the beginning and ending amounts of unrecognized tax benefit are (in millions):
 


 
 
2012
 
2011
Unrecognized Tax Benefit at January 1
 
$
5

 
$
5

No Activity
 

 

Unrecognized Tax Benefit at December 31
 
$
5

 
$
5