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Software Development and Intellectual Property Licenses (Tables)
12 Months Ended
Dec. 31, 2019
Software Development Costs and Intellectual Property Licenses  
Summarizes the components of software development and intellectual property licenses

The following table summarizes the components of our capitalized software development costs (amounts in millions):

 
At December 31,
 
2019
 
2018
Internally-developed software costs
$
345

 
$
291

Payments made to third-party software developers
31

 
38

Total software development costs
$
376

 
$
329


Amortization of software development costs and intellectual property licenses
Amortization of capitalized software development costs and intellectual property licenses was as follows (amounts in millions):

 
For the Years Ended December 31,
 
2019
 
2018
 
2017
Amortization of capitalized software development costs and intellectual property licenses
$
241

 
$
501

 
$
314