Commercial Paper Maturities

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- Definition

Commercial Paper, Weighted Average Interest Rate

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- Definition

Commercial Paper Weighted Average Maturity Period

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- Definition

Credit Facility Funds Reserved For Clearing Operations

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- Definition

Debt Instrument Fair Value over Face Amount

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- Definition

Line of Credit Facility, Additional Borrowing Capacity

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- Definition

Line of Credit Facility, Funds Reserved For Commercial Paper Program

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No definition available.

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- Definition

Line of Credit Facility, Unreserved Amount

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No definition available.

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- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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-Name Regulation S-X (SX)

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- Definition

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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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of the required periodic payments applied to interest.

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- Definition

The amount of cash paid for interest during the period.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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- Definition

The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Glossary Investing Activities

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Carrying value as of the balance sheet date of the portion of long-term, uncollateralized debt obligations due within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Debt (Narrative) (Details) € in Millions, $ in Millions			3 Months Ended		6 Months Ended
Debt (Narrative) (Details) € in Millions, $ in Millions	Jun. 24, 2014 USD ($)	Jun. 24, 2014 EUR (€)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2015 EUR (€)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 EUR (€)	Dec. 31, 2014 USD ($)	Apr. 03, 2014 USD ($)	Nov. 13, 2013 USD ($)	Nov. 13, 2013 EUR (€)	Oct. 31, 2013
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity										$ 3,000
Line of Credit Facility, Additional Borrowing Capacity										1,000
Line of Credit Facility, Funds Reserved For Commercial Paper Program										1,016
Credit Facility Funds Reserved For Clearing Operations										303
Line of Credit Facility, Unreserved Amount										$ 1,700
Cash paid for interest					$ 89		$ 101
Commercial Paper			$ 1,016		$ 1,016				$ 905
Commercial Paper, Weighted Average Interest Rate					0.23%	0.23%
Commercial Paper Weighted Average Maturity Period					19 days	19 days
Proceeds from sales of available-for-sale investments					$ 1,084		26
Minimum [Member]
Line of Credit Facility [Line Items]
Commercial Paper Maturities					1 day	1 day
Maximum [Member]
Line of Credit Facility [Line Items]
Commercial Paper Maturities					89 days	89 days
NYSE Euronext EUR Notes (5.375% senior unsecured notes due June 30, 2015)
Line of Credit Facility [Line Items]
Fair value of senior notes											$ 1,300
Debt Instrument Fair Value over Face Amount											89
Amortization of Debt Discount (Premium)			0	$ 0	$ 0		$ 0
NYSE Euronext USD Notes (2.0% senior unsecured notes due October 5, 2017)
Line of Credit Facility [Line Items]
Senior Notes			850		850
Fair value of senior notes			860		860						854
Debt Instrument Fair Value over Face Amount											$ 4
2018 Senior Notes (2.5% senior unsecured notes due October 15, 2018)
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage													2.50%
Senior Notes			600		600				600
2023 Senior Notes (4.0% senior unsecured notes due October 15, 2023)
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage													4.00%
Senior Notes			794		794				794
NYSE Euronext EUR Notes (5.375% senior unsecured notes due June 30, 2015)
Line of Credit Facility [Line Items]
Debt Instrument, Periodic Payment, Interest					55	€ 49
Debt Instrument, Interest Rate, Stated Percentage											5.375%	5.375%
Debt Instrument, Face Amount			1,000		1,000						$ 1,000	€ 920
Unsecured Debt, Current			0		0			€ 920	1,137
NYSE Euronext USD Notes (2.0% senior unsecured notes due October 5, 2017)
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage											2.00%	2.00%
Debt Instrument, Face Amount											$ 850
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate											2.00%	2.00%
Senior Notes			$ 853		$ 853				$ 853
Term Deposits [Member] \| NYSE Euronext [Member]
Line of Credit Facility [Line Items]
Proceeds from sales of available-for-sale investments	$ 1,100	€ 969