Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226000-175313

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

Derivative Financial Instruments and Hedging Activities (Details 2) - USD ($) $ in Millions	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2012
Assets:
Derivative assets financial and hedging instruments, fair value	$ 26	$ 23
Liabilities:
Derivative liabilities financial and hedging instruments, fair value	21	2
Forward Contracts [Member] \| Other Assets [Member]
Assets:
Derivative assets financial and hedging instruments, fair value	26	23
Forward Contracts [Member] \| Other Liabilities [Member]
Liabilities:
Derivative liabilities financial and hedging instruments, fair value	$ 21	$ 2
Cash Flow Hedging [Member] \| Interest Rate Swaps [Member]
Assets:
Derivative assets financial and hedging instruments, fair value			$ 16