The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 05
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6395354&loc=d3e12631-108344

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- Definition

Loss Contingency, Damages Sought, Multiplier Of Overpayment Amounts

+ References

No definition available.

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- Definition

Surety Bonds Outstanding, Amount

+ References

No definition available.

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Contingencies and Litigation (Details) $ in Millions	May 09, 2014	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Multiplier Of Overpayment Amounts	2
Brazil Tax And Labor Contingencies [Member]
Loss Contingencies [Line Items]
Unreserved tax and labor contingencies		$ 640	$ 750
Escrow cash deposits		87
Letters of Credit Outstanding, Amount		152
Surety Bonds Outstanding, Amount		$ 98