Goodwill and Other Intangible Assets (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Finite-lived Intangible Assets [Roll Forward]
Cost, Beginning balance		$ 682	$ 694
Additions, net		13	44
Dispositions			(22)
Impairment	(26)		(26)
Transfers		(44)
Other (primarily Fx)		(14)	(8)
Cost, Ending balance	682	637	682	694
Accumulated amortization, Beginning balance		283	245
Current year amortization		48us-gaap_AmortizationOfIntangibleAssets	51us-gaap_AmortizationOfIntangibleAssets	48us-gaap_AmortizationOfIntangibleAssets
Dispositions			(15)
Other (primarily Fx)		(5)	2
Accumulated amortization, Ending balance	283	326	283	245
Net amount	399us-gaap_FiniteLivedIntangibleAssetsNet	311us-gaap_FiniteLivedIntangibleAssetsNet	399us-gaap_FiniteLivedIntangibleAssetsNet
Databases and software
Finite-lived Intangible Assets [Roll Forward]
Cost, Beginning balance		115	126
Additions, net		0	0
Dispositions			(9)
Impairment			0
Transfers		0
Other (primarily Fx)		(2)	(2)
Cost, Ending balance	115	113	115
Accumulated amortization, Beginning balance		83	80
Current year amortization		6	9
Dispositions			(6)
Other (primarily Fx)		(1)	0
Accumulated amortization, Ending balance	83	88	83
Net amount	32	25	32
Content
Finite-lived Intangible Assets [Roll Forward]
Cost, Beginning balance		139	139
Additions, net		0	0
Dispositions			0
Impairment			0
Transfers		0
Other (primarily Fx)		0	0
Cost, Ending balance	139	139	139
Accumulated amortization, Beginning balance		45	31
Current year amortization		14	14
Dispositions			0
Other (primarily Fx)		0	0
Accumulated amortization, Ending balance	45	59	45
Net amount	94	80	94
Customer relationships
Finite-lived Intangible Assets [Roll Forward]
Cost, Beginning balance		225	225
Additions, net		0	0
Dispositions			0
Impairment			0
Transfers		0
Other (primarily Fx)		3	0
Cost, Ending balance	225	228	225
Accumulated amortization, Beginning balance		67	55
Current year amortization		13	11
Dispositions			0
Other (primarily Fx)		0	1
Accumulated amortization, Ending balance	67	80	67
Net amount	158	148	158
Tradenames
Finite-lived Intangible Assets [Roll Forward]
Cost, Beginning balance		45	45
Additions, net		0	0
Dispositions			0
Impairment			0
Transfers		0
Other (primarily Fx)		1	0
Cost, Ending balance	45	46	45
Accumulated amortization, Beginning balance		32	30
Current year amortization		3	2
Dispositions			0
Other (primarily Fx)		0	0
Accumulated amortization, Ending balance	32	35	32
Net amount	13	11	13
Other intangibles
Finite-lived Intangible Assets [Roll Forward]
Cost, Beginning balance		158	159
Additions, net		13	44
Dispositions			(13)
Impairment			(26)
Transfers		(44)
Other (primarily Fx)		(16)	(6)
Cost, Ending balance	158	111	158
Accumulated amortization, Beginning balance		56	49
Current year amortization		12	15
Dispositions			(9)
Other (primarily Fx)		(4)	1
Accumulated amortization, Ending balance	56	64	56
Net amount	102	47	102
Asset Acquired Trough Formation of S&P Dow Jones Indices LLC Joint Venture [Member]
Finite-lived Intangible Assets [Roll Forward]
Impairment			$ (26)

Finite-lived Intangible Assets, Dispositions

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Finite Lived Intangible Assets, Dispositions, Amortization

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Finite Lived Intangible Assets, Translation Adjustments, Amortization

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase (decrease) in carrying value of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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