XML 28 R17.htm IDEA: XBRL DOCUMENT v2.3.0.15
Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2011
Fair Value Disclosures [Abstract] 
Fair Value, by Balance Sheet Grouping [Table Text Block]
Assets (Liabilities) Measured at Fair Value on a Recurring Basis
(in millions)
September 30, 2011
Level 1
Level 2
Level 3
Cash equivalents
$
2,082

$
2,082

$
—

$
—

Short-term investments
958

958

—

—

Restricted cash equivalents and short-term investments
441

441

—

—

Long-term investments
134

—

25

109

Hedge derivatives, net
 
 
 
 
Fuel hedge contracts
(119
)
—

(119
)
—

Interest rate contracts
(119
)
—

(119
)
—

Foreign currency exchange contracts
(92
)
—

(92
)
—

(in millions)
December 31, 2010
Level 1
Level 2
Level 3
Cash equivalents
$
2,696

$
2,696

$
—

$
—

Short-term investments
718

718

—

—

Restricted cash equivalents and short-term investments
440

440

—

—

Long-term investments
144

—

25

119

Hedge derivatives, net
 
 
 
 
Fuel hedge contracts
351

—

351

—

Interest rate contracts
(74
)
—

(74
)
—

Foreign currency exchange contracts
(96
)
—

(96
)
—

Schedule of Long-term Debt Instruments [Table Text Block]
(in millions)
September 30,
2011
December 31,
2010
Total debt at par value
$
14,543

$
15,442

Unamortized discount, net
(793
)
(935
)
Net carrying amount
$
13,750

$
14,507

Fair value
$
14,200

$
15,400