Intangible Assets (Intangible Assets Subject to Amortization) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2011 years	Dec. 31, 2010
Gross Carrying Value	$ 3,207	$ 4,781
Accumulated Amortization	(1,591)	(2,772)
Net Carrying Value	1,616	2,009
Customer Relationships [Member]
Useful Lives Minimum yrs	4
Useful Lives Maximum yrs	5
Gross Carrying Value	341	1,925
Accumulated Amortization	(297)	(1,717)
Net Carrying Value	44	208
Trademarks [Member]
Useful Lives Minimum yrs	10
Useful Lives Maximum yrs	37
Gross Carrying Value	1,169	1,169
Accumulated Amortization	(585)	(490)
Net Carrying Value	584	679
Reacquired Rights [Member]
Useful Lives Minimum yrs	9
Useful Lives Maximum yrs	14
Gross Carrying Value	1,571	1,571
Accumulated Amortization	(652)	(519)
Net Carrying Value	919	1,052
Other Finite Lived Intangible Assets [Member]
Useful Lives Minimum yrs	9
Useful Lives Maximum yrs	16
Gross Carrying Value	126	116
Accumulated Amortization	(57)	(46)
Net Carrying Value	69	70
Finite Lived Intangible Assets Excluding Customer Relationships [Member]
Gross Carrying Value	2,866	2,856
Accumulated Amortization	(1,294)	(1,055)
Net Carrying Value	$ 1,572	$ 1,801

The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

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- Definition

Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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- Definition

The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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- Definition

The maximum useful life of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 35

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6904245&loc=d3e15217-109273

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 35

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6904245&loc=d3e15300-109273

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 35

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6904245&loc=d3e15211-109273

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- Definition

The minimum useful life of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company.

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