Fair Value Measurements Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following tables present assets and liabilities accounted for at fair value on a recurring basis as of December 31, 2013 and 2012 by fair value hierarchy level.

	December 31, 2013
(In millions)	Level 1		Level 2		Level 3		Collateral		Total
Derivative instruments, assets
Interest rate	$	—	$	8	$	—	$	—	$	8
Foreign currency	—		2		—		—		2
Derivative instruments, assets	$	—	$	10	$	—	$	—	$	10
Derivative instruments, liabilities
Foreign currency	$	—	$	4	$	—	$	—	$	4
Derivative instruments, liabilities	$	—	$	4	$	—	$	—	$	4
	December 31, 2012
(In millions)	Level 1		Level 2		Level 3		Collateral		Total
Derivative instruments, assets
Commodity	$	—	$	52	$	—	$	1	$	53
Interest rate	—		21		—		—		21
Foreign currency	—		18		—		—		18
Derivative instruments, assets	$	—	$	91	$	—	$	1	$	92

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis

The following table shows the values of assets, by major category, measured at fair value on a nonrecurring basis in periods subsequent to their initial recognition.

	2013				2012				2011
(In millions)	Fair Value		Impairment		Fair Value		Impairment		Fair Value		Impairment
Long-lived assets held for use	$	5	$	96	$	16	$	371	$	226	$	285
Intangible assets	—		—		—		—		—		25

Fair Value, by Balance Sheet Grouping

The following table summarizes financial instruments, excluding receivables, commercial paper, payables and derivative financial instruments, and their reported fair value by individual balance sheet line item at December 31, 2013 and 2012.

	December 31,
	2013				2012
(In millions)	Fair Value		Carrying Amount		Fair Value		Carrying Amount
Financial assets
Other noncurrent assets	$	154	$	147	$	189	$	186
Total financial assets	$	154	$	147	$	189	$	186
Financial liabilities
Other current liabilities	$	13	$	13	$	13	$	13
Long-term debt, including current portion(a)	6,922		6,427		7,610		6,642
Deferred credits and other liabilities	149		147		94		94
Total financial liabilities	$	7,084	$	6,587	$	7,717	$	6,749

^(a)  Excludes capital leases.