The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

Name:	us-gaap_ProceedsFromSaleOfEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Investments - Cost and Equity Method Investments (Details) - USD ($) $ in Millions	1 Months Ended
	Oct. 20, 2016	Sep. 30, 2016	Dec. 31, 2015
Long-term Investments
Schedule of Equity Method Investments [Line Items]
Cost and equity method investments		$ 110	$ 124
Subsequent Event \| MercadoLibre, Inc.
Schedule of Equity Method Investments [Line Items]
Proceeds from sale of equity investment	$ 1,200