Software development and intellectual property licenses

9 Months Ended

Sep. 30, 2011

Software development and intellectual property licenses

Software development and intellectual property licenses

6.       Software development and intellectual property licenses

The following table summarizes the components of our software development costs and intellectual property licenses (amounts in millions):

	At		At
	September 30,		December 31,
	2011		2010
Internally developed software costs	$	172	$	142
Payments made to third-party software developers		92		60
Total software development costs	$	264	$	202
Intellectual property licenses	$	55	$	73

Amortization, write-offs and impairments are comprised of the following (amounts in millions):

		Three months ended September 30,				Nine months ended September 30,
		2011		2010		2011		2010
Amortization of capitalized software development costs
	and intellectual property licenses	$	28	$	50	$	158	$	217
Write-offs and impairments			---		1		---		16