Derivative Instruments and Hedging Activities, Quantitative Disclosures Related to Derivative Instruments (Details) (Cash Flow Hedging [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2014
Cash Flow Hedging [Member]
Derivative [Line Items]
Cash Flow Hedges Derivative Instruments at Fair Value, Net	$ 0

Net fair value of all derivative instruments designated as cash flow hedging instruments, which is ordinarily reflected within other comprehensive income.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

Name:	us-gaap_CashFlowHedgesDerivativeInstrumentsAtFairValueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant