Condensed Consolidated Statements Of Income (USD $) In Millions, except Per Share data	3 Months Ended			9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010	Sep. 30, 2011		Sep. 30, 2010
Revenues:
Market Services	$ 808		$ 634	$ 2,190		$ 2,052
Issuer Services	92		85	276		255
Market Technology	46		38	135		106
Other						1
Total revenues	946		757	2,601		2,414
Cost of revenues:
Transaction rebates	(390)		(303)	(1,021)		(1,013)
Brokerage, clearance and exchange fees	(118)		(82)	(311)		(280)
Total cost of revenues	(508)		(385)	(1,332)		(1,293)
Revenues less transaction rebates, brokerage, clearance and exchange fees	438		372	1,269		1,121
Operating expenses:
Compensation and benefits	118		101	345		302
Marketing and advertising	4		5	15		14
Depreciation and amortization	28		25	81		75
Professional and contract services	23		18	66		57
Computer operations and data communications	17		13	50		43
Occupancy	23		23	68		66
Regulatory	9		9	26		26
Merger and strategic initiatives	3		1	38		2
General, administrative and other	18		12	44		80
Total operating expenses	243		207	733		665
Operating income	195		165	536		456
Interest income	3		2	8		7
Interest expense	(30)		(25)	(93)		(76)
Dividend and investment income	1
Loss on divestiture of businesses						(11)
Income from unconsolidated investees, net	1		1	2		2
Income before income taxes	170	[1]	143	453	[1]	378	[2]
Income tax provision	61		43	151		124
Net income	109		100	302		254
Net loss attributable to noncontrolling interests	1		1	4		4
Net income attributable to NASDAQ OMX	$ 110		$ 101	$ 306		$ 258
Basic and diluted earnings per share:
Basic earnings per share	$ 0.62		$ 0.51	$ 1.73		$ 1.25
Diluted earnings per share	$ 0.61		$ 0.50	$ 1.70		$ 1.23

[1] Corporate items and eliminations for the three and nine months ended September 30, 2011 primarily include merger and strategic initiatives expense as well as costs incurred in connection with the termination of our 2010 Credit Facility. See "2010 Credit Facility," of Note 8, "Debt Obligations," for further discussion.

[2] Corporate items and eliminations for the nine months ended September 30, 2010 primarily include charges of $40 million related to the repayment of our senior secured credit facilities in place as of December 31, 2009 and $11 million related to loss on divestiture of businesses as a result of our decision to close the businesses of both NASDAQ OMX Europe, or NEURO, ($6 million) and Agora-X LLC, or Agora-X, ($5 million).