Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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

Debt (Details) (Revolving Credit Facility, USD $)	6 Months Ended
Debt (Details) (Revolving Credit Facility, USD $)	Mar. 31, 2014	Jan. 29, 2014	Jan. 28, 2014
Line of Credit Facility [Line Items]
Credit facility maximum borrowing capacity		$ 3,000,000,000	$ 3,000,000,000
Commitment fee percentage	0.07%
Minimum \| LIBOR or Alternative Base Rate
Line of Credit Facility [Line Items]
Spread on variable interest rate	0.00%
Maximum \| LIBOR or Alternative Base Rate
Line of Credit Facility [Line Items]
Spread on variable interest rate	0.75%