Amount borrowed under the credit facility as of the balance sheet date.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

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

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- Definition

Date the credit facility first became available, in CCYY-MM-DD format.

+ References

+ Details

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- Definition

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.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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Liquidity Facilities and Letters of Credit (Details) (USD $) In Billions, unless otherwise specified	1 Months Ended		1 Months Ended					1 Months Ended							1 Months Ended				3 Months Ended			3 Months Ended			3 Months Ended
	Feb. 28, 2013 364 Day Credit Agreement [Member]	Feb. 28, 2013 364 Day Credit Agreement [Member] 2014 [Member]	Feb. 28, 2013 364 Day Credit Agreement [Member] 2014 [Member] Refinancing of Debt [Member]	Feb. 28, 2013 Three Year Agreement [Member]	Jun. 30, 2013 Three Year Agreement [Member] 2014 [Member]	Mar. 31, 2013 Three Year Agreement [Member] 2014 [Member]	Feb. 28, 2013 Three Year Agreement [Member] 2016 [Member]	Feb. 28, 2013 Three Year Agreement [Member] 2016 [Member] Refinancing of Debt [Member]	Feb. 28, 2013 Five Year Agreement [Member]	Jun. 30, 2013 Five Year Agreement [Member] 2016 [Member]	Mar. 31, 2013 Five Year Agreement [Member] 2016 [Member]	Jun. 30, 2013 Five Year Agreement [Member] 2018 [Member]	Mar. 31, 2013 Five Year Agreement [Member] 2018 [Member]	Feb. 28, 2013 Five Year Agreement [Member] 2018 [Member]	Feb. 28, 2013 Five Year Agreement [Member] 2018 [Member] Refinancing of Debt [Member]	Jun. 30, 2013 Other Credit Agreements [Member] Committed Bank Credit [Member] Group A [Member] Refinancing of Debt [Member]	Jun. 30, 2013 Other Credit Agreements [Member] 2014 [Member] Committed Bank Credit [Member] Group A [Member]	Mar. 31, 2013 Other Credit Agreements [Member] 2014 [Member] Committed Bank Credit [Member] Group A [Member]	Jun. 30, 2013 Other Credit Agreements [Member] 2014 [Member] Committed Bank Credit [Member] Group A [Member] Refinancing of Debt [Member]	Jun. 30, 2013 Other Credit Agreements [Member] 2015 [Member] Committed Bank Credit [Member] Group A [Member]	Mar. 31, 2013 Other Credit Agreements [Member] 2015 [Member] Committed Bank Credit [Member] Group A [Member]	Jun. 30, 2013 Other Credit Agreements [Member] 2015 [Member] Committed Bank Credit [Member] Group A [Member] Refinancing of Debt [Member]	Jun. 30, 2013 Other Credit Agreements [Member] 2016 [Member] Committed Bank Credit [Member] Group A [Member]	Mar. 31, 2013 Other Credit Agreements [Member] 2016 [Member] Committed Bank Credit [Member] Group A [Member]	Jun. 30, 2013 Other Credit Agreements [Member] 2016 [Member] Committed Bank Credit [Member] Group A [Member] Refinancing of Debt [Member]
Line of Credit Facility [Line Items]
Initiation Date	Feb. 01, 2013			Feb. 01, 2013					Feb. 01, 2013
Maximum Borrowing Capacity		$ 3.8					$ 3.8							$ 3.8		$ 5.5			$ 2.8			$ 1.2			$ 1.5
Expiration Date			Mar. 31, 2014					Mar. 31, 2016							Mar. 31, 2018				Mar. 31, 2014			Mar. 31, 2015			Mar. 31, 2016
Credit facilities amount outstanding					$ 0	$ 0				$ 0	$ 0	$ 0	$ 0				$ 0	$ 0		$ 0	$ 0		$ 0	$ 0