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- Definition

Available For Sale Investment Ownership Percentage.

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No definition available.

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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- Definition

Amount of operating dividend income on securities.

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Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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No definition available.

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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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The increase (decrease), resulting in a gain, in the difference between the fair value and the carrying value, or in the comparative fair values, of securities held at each balance sheet date, that was included in earnings for the period.

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No definition available.

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Short-Term and Long-Term Investments (Details) shares in Millions, $ in Millions, € in Billions		12 Months Ended
	Jun. 24, 2014 shares	Dec. 31, 2016 USD ($)	Dec. 31, 2016 EUR (€)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jul. 15, 2011 shares
Gain (Loss) on Investments [Line Items]
Short-term restricted cash and investments		$ 679		$ 657
Available-for-sale Securities, Amortized Cost Basis		347		353
Available-for-sale Securities		455		328
Investments, Fair Value Disclosure		23		29
Proceeds from sales of available-for-sale investments		0		1,089	$ 54
Effect of exchange rate changes on cash and cash equivalents		9		14	21
Dividend Income, Operating		19		16	$ 23
Ice Futures Europe [Member]
Gain (Loss) on Investments [Line Items]
Short-term restricted cash and investments		77		57
Cetip [Member]
Gain (Loss) on Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis				324
Available-for-sale Securities				299
Cetip [Member]
Gain (Loss) on Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis		324
Available For Sale Investment Number Of Shares Acquired \| shares						31.6
Available For Sale Investment Ownership Percentage						12.00%
Available-for-sale Securities		432
Unrealized Loss on Securities		134
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax		108
Mutual funds
Gain (Loss) on Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis		23		29
Available-for-sale Securities		23		$ 29
NYSE Euronext [Member]
Gain (Loss) on Investments [Line Items]
Sale of Stock, Number of Shares Issued in Transaction \| shares	65.8
NYSE Euronext [Member] \| IPO [Member]
Gain (Loss) on Investments [Line Items]
Proceeds from sales of available-for-sale investments		$ 2,100	€ 1.5