Cost Method Investment, Ownership Percentage

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- Definition

Minimum Number of Companies Represented in Broad Market Indices

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- Definition

Minimum Number of Countries Represented in Broad Market Indices

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- Definition

Number of Sectors in Global Economy That Acquiree Serves

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

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

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Cash outflow representing an adjustment to the purchase price of a previous acquisition.

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No definition available.

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Acquisitions and Divestitures - Acquisitions Narrative (Details) company in Thousands		1 Months Ended	12 Months Ended
	Sep. 01, 2015 USD ($)	Mar. 31, 2014 country company	Dec. 31, 2016 USD ($) sector	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jun. 30, 2016	Aug. 31, 2015 USD ($)	Aug. 18, 2015 USD ($)	Dec. 31, 2003
Business Acquisition [Line Items]
Cash paid for acquisitions, net of cash acquired			$ 177,000,000	$ 2,400,000,000	$ 82,000,000
Payments for previous acquisition			$ 39,000,000	$ 5,000,000	$ 11,000,000
Equity method investment, ownership percentage									45.00%
Minimum number of companies represented in broad market indices \| company		11
Minimum number of countries represented in broad market indices \| country		52
Maximum
Business Acquisition [Line Items]
Amortization period for intangible assets (in years)				18 years	7 years
Senior Notes
Business Acquisition [Line Items]
Debt face amount							$ 2,000,000,000.0	$ 2,000,000,000.0
Kensho Technologies
Business Acquisition [Line Items]
Cost method investment ownership percentage			2.54%
TRIS Rating Company Limited
Business Acquisition [Line Items]
Equity method investment, ownership percentage						49.00%
PIRA Energy Group
Business Acquisition [Line Items]
Payments for previous acquisition			$ 34,000,000
UCG
Business Acquisition [Line Items]
Payments for previous acquisition			$ 5,000,000	$ 5,000,000
SNL Financial LC
Business Acquisition [Line Items]
Fair value of business acquired	$ 2,200,000,000
Number of sectors in global economy served by acquiree \| sector			5
Acquisition-related costs				$ 37,000,000
SNL Financial LC \| Minimum
Business Acquisition [Line Items]
Amortization period of acquired intangible assets (in years)				10 years
SNL Financial LC \| Maximum
Business Acquisition [Line Items]
Amortization period of acquired intangible assets (in years)				18 years
Series of Individually Immaterial Business Acquisitions \| Minimum
Business Acquisition [Line Items]
Amortization period of acquired intangible assets (in years)			3 years
Series of Individually Immaterial Business Acquisitions \| Maximum
Business Acquisition [Line Items]
Amortization period of acquired intangible assets (in years)			10 years
Coalition Development Ltd
Business Acquisition [Line Items]
Payments for previous acquisition					$ 11,000,000