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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment  
Property, Plant and Equipment

(6)   Property, Plant and Equipment

        CenturyLink accounted for its indirect acquisition of us under the acquisition method of accounting, which requires the assignment of the purchase price to the assets acquired based on their fair values at the acquisition date.

        Net property, plant and equipment is composed of the following:

 
   
  Successor  
 
  Depreciable
Lives
  December 31,
2012
  December 31,
2011
 
 
   
  (Dollars in millions)
 

Property, plant and equipment:

                   

Land

    N/A   $ 356     368  

Fiber, conduit and other outside plant(1)

    15-45 years     3,475     3,247  

Central office and other network electronics(2)

    5-10 years     2,611     2,155  

Support assets(3)

    5-30 years     2,428     2,449  

Construction in progress(4)

    N/A     372     201  
                 

Gross property, plant and equipment

          9,242     8,420  
                 

Accumulated depreciation

          (2,011 )   (914 )
                 

Net property, plant and equipment

        $ 7,231     7,506  
                 

(1)
Fiber, conduit and other outside plant consists of fiber and metallic cable, conduit, poles and other supporting structures.

(2)
Central office and other network electronics consists of circuit and packet switches, routers, transmission electronics and electronics providing service to customers.

(3)
Support assets consist of buildings, computers and other administrative and support equipment.

(4)
Construction in progress includes inventory held for construction and property of the aforementioned categories that has not been placed in service as it is still under construction.

        Effective January 1, 2012, we changed our rates of capitalized labor as we transitioned certain legacy systems to the historical systems of our ultimate parent, CenturyLink. This transition resulted in an estimated $40 million to $55 million increase in the amount of labor capitalized as an asset compared to the amount that would have been capitalized if we had continued to use our legacy systems and a corresponding estimated $40 million to $55 million decrease in operating expenses for the successor year ended December 31, 2012. The reduction in expenses described above, net of tax, increased net income approximately $25 million to $34 million for the successor year ended December 31, 2012.

        Effective January 1, 2012, we changed our estimates of the remaining useful lives of certain telecommunications equipment. These changes resulted in a decrease to depreciation expense of approximately $52 million for the successor year ended December 31, 2012. This decrease in depreciation expense, net of tax, had the effect of increasing net income by approximately $32 million for the successor year ended December 31, 2012.

        During the first quarter of 2012, we retrospectively adjusted our previously reported assignment of the aggregate Qwest consideration for changes to our original estimates of the fair value of buildings at the acquisition date. This retrospective adjustment decreased the previously reported December 31, 2011 support assets by $36 million. Also, we reclassified certain prior period amounts of inventory held for construction to conform to the current period presentation. This reclassification increased construction in progress at December 31, 2011 by $38 million with an offsetting decrease to fiber, conduit and other outside plant and central office and other network electronics by $8 million and $30 million, respectively.

        We recorded depreciation expense of $1.176 billion, $914 million, $393 million and $1.652 billion for the successor year ended December 31, 2012, the successor nine months ended December 31, 2011, the predecessor three months ended March 31, 2011 and the predecessor year ended December 31, 2010, respectively.