Disposal Group, Including Discontinued Operations, Number of Businesses

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- Definition

Gain (Loss) on Disposition of Business, Net of Tax

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- Definition

Number of Industry Sectors

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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

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

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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

Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

+ References

No definition available.

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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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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Acquisitions and Divestitures (Narrative) (Details) $ in Millions	1 Months Ended			3 Months Ended		9 Months Ended
	Oct. 31, 2016 business	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($) sector	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain on sale of business				$ 722	$ 0	$ 722	$ 11
S&P Global Market Intelligence
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain on disposal				(5)		(12)
S&P Global Platts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain on disposal				(1)		(5)
Pre-tax gain on sale of business				722		722
McGraw Hill Construction
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain on disposal							$ 11
J.D. Power \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| S&P Global Platts
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business		$ 1,100
Pre-tax gain on sale of business				722		722
After-tax gain on sale of business				$ 521		$ 521
TRIS Rating Company Limited \| S&P Global Ratings
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity investment acquired								49.00%
Subsequent Event \| SPSE and CMA \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| S&P Global Market Intelligence
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of businesses sold \| business	2
SNL \| S&P Global Market Intelligence
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase price			$ 2,200
Number of industry sectors \| sector			5