Goodwill And Purchased Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2011

Goodwill And Purchased Intangible Assets [Abstract]

Schedule Of Changes In Goodwill

	Market Services			Issuer Services			Market Technology			Total
	(in millions)
Balance at December 31, 2010	$	4,679		$	292		$	156		$	5,127
Foreign currency translation adjustment		(70	)		(5	)		(6	)		(81	)
Balance at September 30, 2011	$	4,609		$	287		$	150		$	5,046

Finite-Lived And Indefinite-Lived Intangible Assets

	September 30, 2011											December 31, 2010
	Gross Amount			Accumulated Amortization			Net Amount			Weighted- Average Useful Life (in Years)		Gross Amount			Accumulated Amortization			Net Amount			Weighted- Average Useful Life (in Years)
	(in millions)											(in millions)
Finite-Lived Intangible Assets
Technology	$	37		$	(8	)	$	29			9	$	72		$	(41	)	$	31			6
Customer relationships		852			(185	)		667			21		853			(152	)		701			21
Other		6			(1	)		5			8		6			(1	)		5			8
Foreign currency translation adjustment		(23	)		3			(20	)				(15	)		4			(11	)
Total finite-lived intangible assets	$	872		$	(191	)	$	681				$	916		$	(190	)	$	726
Indefinite-Lived Intangible Assets
Exchange and clearing registrations	$	790		$	—		$	790				$	790		$	—		$	790
Trade names		181			—			181					181			—			181
Licenses		78			—			78					78			—			78
Foreign currency translation adjustment		(73	)		—			(73	)				(56	)		—			(56	)
Total indefinite-lived intangible assets	$	976		$	—		$	976				$	993		$	—		$	993
Total intangible assets	$	1,848		$	(191	)	$	1,657				$	1,909		$	(190	)	$	1,719

Estimated Future Amortization Expense

	(in millions)
2011(1)	$	13
2012		51
2013		50
2014		48
2015		46
2016 and thereafter		493
Total	$	701

⁽¹⁾  Represents the estimated amortization to be recognized for the remaining three months of 2011.