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Property, Equipment, and Capitalized Software, Net
12 Months Ended
Dec. 31, 2018
Property, Plant and Equipment [Abstract]  
Property, Equipment, and Capitalized Software, Net
Property, Equipment, and Capitalized Software, Net
Property and equipment are stated at historical cost. Replacements and major improvements are capitalized, and repairs and maintenance are charged to expense as incurred. Furniture and equipment are generally depreciated using the straight-line method over estimated useful lives ranging from three to seven years. Software developed for internal use is capitalized. Software is generally amortized over its estimated useful life of three years. Leasehold improvements are amortized over the term of the lease, or over their useful lives from five to 10 years, whichever is shorter. Buildings are depreciated over their estimated useful lives of 31.5 to 40 years.
A summary of property, equipment, and capitalized software is as follows:
 
December 31,
 
2018
 
2017
 
(In millions)
Capitalized software
$
373

 
$
417

Furniture and equipment
231

 
289

Building and improvements
154

 
161

Land
16

 
16

Total cost
774

 
883

Less: accumulated amortization - capitalized software
(320
)
 
(308
)
Less: accumulated depreciation and amortization - building and improvements, furniture and equipment
(213
)
 
(233
)
Total accumulated depreciation and amortization
(533
)
 
(541
)
Property, equipment, and capitalized software, net
$
241

 
$
342


The following table presents all depreciation and amortization recognized in our consolidated statements of operations, whether the item appears as depreciation and amortization, or as cost of service revenue.
 
Year Ended December 31,
 
2018
 
2017
 
2016
 
(In millions)
Recorded in depreciation and amortization:
 
 
 
 
 
Amortization of capitalized software
$
42

 
$
64

 
$
62

Depreciation of property and equipment
36

 
42

 
45

Amortization of intangible assets
21

 
31

 
32

Subtotal
99

 
137

 
139

Recorded in cost of service revenue:
 
 
 
 
 
Amortization of capitalized software
19

 
28

 
22

Amortization of deferred contract costs
9

 
13

 
21

Subtotal
28

 
41

 
43

Total depreciation and amortization recognized
$
127

 
$
178

 
$
182