Acquisitions, Dispositions, Goodwill and Other Intangible Assets (Variable Interest Entity) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Current Assets	$ 1,980
Noncurrent Assets	928
Total Assets	2,908
Current Liabilities	2,061
Noncurrent Liabilities	1,359
Total Liabilities	$ 3,420

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The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (bb)

-URI http://asc.fasb.org/extlink&oid=52262685&loc=d3e5710-111685

+ Details

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- Definition

The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

+ References

+ Details

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- Definition

The carrying amount of the consolidated Variable Interest Entity's current assets included in the reporting entity's statement of financial position.

+ References

No definition available.

+ Details

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- Definition

The carrying amount of the consolidated Variable Interest Entity's current liabilities included in the reporting entity's statement of financial position.

+ References

No definition available.

+ Details

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- Definition

The carrying amount of the consolidated Variable Interest Entity's noncurrent assets included in the reporting entity's statement of financial position.

+ References

No definition available.

+ Details

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- Definition

The carrying amount of the consolidated Variable Interest Entity's noncurrent liabilities included in the reporting entity's statement of financial position.

+ References

No definition available.

+ Details

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