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Principles of Consolidation (Details) (USD $) In Billions, unless otherwise specified	Mar. 31, 2015
Principles of Consolidation [Abstract]
Number of locations	17us-gaap_NumberOfStores
Trust and financial services and administers assets	$ 1.9us-gaap_AssetsHeldInTrust

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- Definition

The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(b))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Represents the number of stores.

+ References

No definition available.

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