Intangible Assets

12 Months Ended

Dec. 31, 2012

Intangible Assets [Abstract]

Intangible Assets

8.     Intangible Assets

The changes in the carrying amount of goodwill and intangible assets for the Company between January 1, 2012 and December 31, 2012 are as follows:

(in $ millions)	January 1, 2012			Additions			December 31, 2012
Non-Amortizable Assets:
Goodwill		986			—			986
Trademarks and tradenames		314			—			314
Other Intangible Assets:
Customer relationships		1,124			—			1,124
Vendor relationships and other		5			—			5
		1,129			—			1,129
Accumulated amortization		(448	)		(82	)		(530	)
Other intangible assets, net		681			(82	)		599

The changes in the carrying amount of goodwill and intangible assets for the Company between January 1, 2011 and December 31, 2011 are as follows:

(in $ millions)	January 1, 2011			Additions			Impairment Charge			December 31, 2011
Non-Amortizable Assets:
Goodwill		986			—			—			986
Trademarks and tradenames		314			—			—			314
Other Intangible Assets:
Customer relationships		1,125			—			(1	)		1,124
Vendor relationships and other		5			—			—			5
		1,130			—			(1	)		1,129
Accumulated amortization		(360	)		(88	)		—			(448	)
Other intangible assets, net		770			(88	)		(1	)		681

Amortization expense for customer relationships was $81 million, $88 million and $89 million for the years ended December 31, 2012, 2011 and 2010, respectively. Amortization expense for vendor relationships and other was $1 million for the years ended December 31, 2012 and 2011, and less than $1 million for the year ended December 31, 2010. Amortization expense is included as a component of depreciation and amortization on the Company’s consolidated statements of operations.

Accumulated amortization of customer relationships was $528 million and $447 million as of December 31, 2012 and 2011, respectively. Accumulated amortization of vendor relationships was $2 million and $1 million as of December 31, 2012 and 2011, respectively.

The Company expects amortization expense relating to intangible assets to be approximately $79 million, $76 million, $68 million, $49 million and $42 million for each of the five succeeding fiscal years, respectively. The average useful life of customer and vendor relationships is approximately 13 years.