XML 65 R15.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
PROPERTY AND EQUIPMENT, NET
 12 Months Ended
Dec. 31, 2019
Property, Plant and Equipment [Abstract]  
PROPERTY AND EQUIPMENT, NET PROPERTY AND EQUIPMENT, NET
Property and equipment was comprised of the following at December 31, 2019 and 2018.
 
 
2019
 
2018
 
 
(in millions)
Land
 
$
20

 
$
20

Buildings and leasehold improvements
 
874

 
766

Equipment
 
922

 
890

Computer software
 
2,799

 
2,372

 
 
4,615

 
4,048

Accumulated depreciation
 
(2,660
)
 
(2,313
)
Property and equipment, net
 
$
1,955

 
$
1,735


Depreciation expense was $505 million in 2019, $444 million in 2018, and $410 million in 2017, including amortization expense for capitalized internally developed and purchased software of $343 million in 2019, $298 million in 2018, and $287 million in 2017.