v2.4.0.8

Debt (Total Debt Schedule) (Details) In Millions, unless otherwise specified	Jun. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)	Jun. 30, 2014 2018 Senior Notes (2.5% senior unsecured notes due October 15, 2018) USD ($)	Dec. 31, 2013 2018 Senior Notes (2.5% senior unsecured notes due October 15, 2018) USD ($)	Jun. 30, 2014 2023 Senior Notes (4.0% senior unsecured notes due October 15, 2023) USD ($)	Dec. 31, 2013 2023 Senior Notes (4.0% senior unsecured notes due October 15, 2023) USD ($)	Jun. 30, 2014 NYSE Euronext EUR Notes (5.375% senior unsecured notes due June 30, 2015) USD ($)	Jun. 30, 2014 NYSE Euronext EUR Notes (5.375% senior unsecured notes due June 30, 2015) EUR (€)	Dec. 31, 2013 NYSE Euronext EUR Notes (5.375% senior unsecured notes due June 30, 2015) USD ($)	Jun. 30, 2014 NYSE Euronext USD Notes (2.0% senior unsecured notes due October 5, 2017) USD ($)	Dec. 31, 2013 NYSE Euronext USD Notes (2.0% senior unsecured notes due October 5, 2017) USD ($)	Jun. 30, 2014 Term Loan Facility USD ($)	Dec. 31, 2013 Term Loan Facility USD ($)
Debt Instrument [Line Items]
Commercial Paper	$ 368	$ 1,080
Unsecured Debt, Current							1,315	920	0
Credit Facilities												0	55
Short-term debt	1,683	1,135
Senior Notes			600	599	794	794	854		854	0	1,353
Credit Facilities												0	323
Long term debt	2,248	3,923
Total debt	$ 3,931	$ 5,058

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Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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