Employee Benefits - Defined Contribution Pension Plan Disclosures (Details) - USD ($) $ in Millions	12 Months Ended
Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
Defined Contribution Pension Plan [Abstract]
Defined Contribution Plan, Cost Recognized	$ 3	$ 2	$ 2

The amount of the cost recognized during the period for defined contribution plans.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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