REAL ESTATE IN PROCESS OF DEVELOPMENT AND FOR SALE - Carrying Value of Our Real Estate in Process of Development and for Sale (Details) (Real Estate, USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Real Estate
Dwelling units	$ 249	$ 206
Residential lots	400	261
Commercial acreage, acreage for sale, and other	9	88
Total	$ 658	$ 555

The net carrying amount as of the balance sheet date of the sum of the various components of an operative builder's inventory, including finished homes. Operative builders primarily consist of entities that develop land, construct residential homes and commercial and industrial buildings thereon, and sell them to home buyers and operators of the commercial and industrial properties.

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- Definition

The carrying amount as of the balance sheet date of all of a real estate developer's inventories that are either not otherwise specified in the taxonomy or are not separately reported by the entity.

+ References

+ Details

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- Definition

Carrying amount as of the balance sheet date, net of valuation allowances and impairment losses, of costs of land expected to be developed in the near term plus capitalized costs of development, for purposes of selling completed units to home buyers or commercial or industrial entities..

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.6(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 6

-Subparagraph a

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 67

-Paragraph 4, 5, 6, 7

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

Carrying amount as of the balance sheet date of capitalized construction costs of homes for future sale and homes that have been finished and are ready for sale, net of valuation allowance and impairment loss.

+ References

No definition available.

+ Details

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