Divestitures (Details) (Third party logistics business, investment, USD $) In Millions, unless otherwise specified	1 Months Ended
Feb. 28, 2015
Third party logistics business, investment
Disposal Groups
Percentage of equity interest sold	35.00%
Sale price of investment	$ 177
Cash proceeds from sale	167
Note receivable from sale	10
Realized gain on disposal	120
Carrying value of noncontrolling interest	$ 57

This item represents the amount of cash proceeds received on disposal of an equity method investment.

No definition available.

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- Definition

This item represents the note receivable received on disposal of an equity method investment.

+ References

No definition available.

+ Details

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- Definition

Percent of the reporting entity's equity method investment which has been sold.

+ References

No definition available.

+ Details

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- Definition

This item represents the amount of net sales proceeds received on disposal of an equity method investment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 35

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- Definition

Amount of gain (loss) on sale or disposal of an equity method investment.

+ References

No definition available.

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- Definition

Amount of equity attributable to noncontrolling interests of an equity method investment of the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

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-Publisher SEC

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