Other Intangible Assets, Net (Tables)

6 Months Ended

Jun. 30, 2011

Other Intangible Assets, Net (Tables) [Abstract]

Major classes of amortizable intangible assets

	June 30, 2011							December 31, 2010
	Gross					Net		Gross					Net
	carrying		Accumulated			carrying		carrying		Accumulated			carrying
	amount		amortization			amount		amount		amortization			amount
	(millions)
Customer and Marketing Related:
Client Relationships	$	705	$	(247	)	$	458	$	695	$	(207	)	$	488
Client Lists		8		(7	)		1		9		(7	)		2
Non-compete Agreements		36		(36	)		—		36		(36	)		—
Trade Names		11		(10	)		1		11		(10	)		1
Total Customer and Marketing Related		760		(300	)		460		751		(260	)		491
Contract based, Technology and Other		4		(3	)		1		4		(3	)		1
Total amortizable intangible assets	$	764	$	(303	)	$	461	$	755	$	(263	)	$	492

Estimated aggregate amortization of intangible assets for each of the next five years

	Remainder of
	2011		2012		2013		2014		2015		Thereafter		Total
	(millions)
Amortization of intangible assets	$	34	$	61	$	53	$	45	$	38	$	230	$	461