Assets Held for Sale, Number of Properties Held for Sale

No definition available.

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- Definition

Assets Held for Sale, Number of Properties Sold

+ References

No definition available.

+ Details

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- Definition

Gain (Loss) on Sale of Properties, Deferred

+ References

No definition available.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2611-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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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

Cash received for the sale of real estate that is not part of an investing activity during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

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- Definition

A description of the terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6456341&loc=d3e50796-112755

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694

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Assets Held For Sale and Sales of Real Estate Narrative (Details) $ in Millions			3 Months Ended
	Jan. 31, 2017 USD ($)	Jan. 26, 2017 USD ($)	Mar. 31, 2017 USD ($) property	Mar. 31, 2016 USD ($)
Long Lived Assets Held-for-sale [Line Items]
Number of real estate properties held for sale (property) \| property			5
Impairment of Long-Lived Assets to be Disposed of			$ 1	$ 8
Assets Held for Sale, Number of Properties Sold \| property			2
Proceeds from sale of real estate			$ 44
Denver, CO Property
Long Lived Assets Held-for-sale [Line Items]
Proceeds from sale of real estate		$ 23
Chicago, IL Property
Long Lived Assets Held-for-sale [Line Items]
Proceeds from sale of real estate	$ 22
Sale Leaseback Transaction, Lease Terms	P10Y
Gain (Loss) on sales of real estate, deferred	$ 13