Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying value of trade name and licenses	$ 714
Weighted-average life of the intangible assets	12 years
Amortization of intangibles	$ 96	$ 67	$ 48
Maximum
Indefinite-lived Intangible Assets by Major Class [Line Items]
Weighted-average life of the intangible assets	20 years
Dow Jones Index | Intellectual Property
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying value of trade name and licenses		380
Dow Jones Index | Tradenames
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying value of trade name and licenses		90
Market and Commodities Intelligence | Tradenames
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying value of trade name and licenses		185
Indices | Goldman Sachs Commodity and Broad Market Intellectual Property [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying value of trade name and licenses		$ 59