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REAL ESTATE IN PROCESS OF DEVELOPMENT AND FOR SALE
12 Months Ended
Dec. 31, 2012
Inventory, Operative Builders [Abstract]  
REAL ESTATE IN PROCESS OF DEVELOPMENT AND FOR SALE
REAL ESTATE IN PROCESS OF DEVELOPMENT AND FOR SALE
Carrying Value of Our Real Estate in Process of Development and for Sale
DOLLAR AMOUNTS IN MILLIONS
  
DECEMBER 31,
2012

DECEMBER 31,
2011

Dwelling units
$
249

$
206

Residential lots
400

261

Commercial acreage, acreage for sale, and other
9

88

Total
$
658

$
555


HOW WE ACCOUNT FOR OUR REAL ESTATE IN PROCESS OF DEVELOPMENT AND FOR SALE
Real estate in process of development and for sale is stated at cost unless events and circumstances trigger an impairment. More information about real estate asset impairments can be found in Note 18: Charges for Restructuring, Closures and Asset Impairments.