Software Development and Intellectual Property Licenses (Tables)

6 Months Ended

Jun. 30, 2017

Software Development Costs and Intellectual Property Licenses

Summary of the components of capitalized software development

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

	At June 30, 2017		At December 31, 2016
Internally-developed software costs	$	232	$	277
Payments made to third-party software developers	221		189
Total software development costs	$	453	$	466

Amortization of capitalized software development costs and intellectual property licenses

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

23	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2017		2016		2017		2016
Amortization of capitalized software development costs and intellectual property licenses	$	79	$	81	$	172	$	213