Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net income (loss)	$ (119)us-gaap_ProfitLoss	$ (121)us-gaap_ProfitLoss	$ (4,068)us-gaap_ProfitLoss
Foreign currency translation adjustment	(22)	10	32
Net change in unrealized gains and losses on derivative financial instruments, net of tax	78	107	82
Net change in unrealized costs associated with certain retirement plans	(18)	22	(9)
Total other comprehensive income (loss)	38	139	105
Total comprehensive income (loss)	$ (81)	$ 18	$ (3,963)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 45

-Paragraph 10A

-Subparagraph (a)

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-Name Accounting Standards Codification

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-SubTopic 30

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-Paragraph 20

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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-Publisher FASB

-Name Accounting Standards Codification

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