Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Intangible Assets [Abstract]

Changes in the carrying amount of goodwill and intangible assets

(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