v2.4.0.8

Derivative Financial Instruments and Hedging Activities Amounts Recognized in Net income (Details) (Interest expense - net [Member], Fair Value Hedging [Member], USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative designated as fair value hedges | $ 0 | $ 0
Interest Rate Contract [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative designated as fair value hedges | (126) | 21
Related Long Term Debt Converted To Floating Interest Rates By Interest Rate Swaps [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative designated as fair value hedges | $ 126 | $ (21)

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration