Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=73718637&loc=d3e25336-109308

Name:	us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Acquisitions and Divestitures Acquisitions (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Unrecorded Unconditional Purchase Obligation		$ 100
Noncontrolling Interest, Ownership Percentage by Parent	40.00%
Futian Xinshi [Member]
Business Acquisition [Line Items]
Number of Stores	200
DEUTEK [Member]
Business Acquisition [Line Items]
Number of Stores	3,500