Summary of Intangible Assets (Detail) (USD $) In Millions |
Sep. 30, 2011 |
Dec. 31, 2010 |
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | $ 2,442 | $ 2,322 |
| Accumulated Amortization | (1,820) | (1,723) |
| Net Carrying Value | 622 | 599 |
Trademarks, licenses, patents, and other |
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| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 240 | 187 |
| Accumulated Amortization | (88) | (50) |
| Net Carrying Value | 152 | 137 |
Customer lists |
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| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 97 | 99 |
| Accumulated Amortization | (65) | (59) |
| Net Carrying Value | 32 | 40 |
Franchise rights |
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| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 109 | 109 |
| Accumulated Amortization | (57) | (52) |
| Net Carrying Value | 52 | 57 |
Capitalized software |
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| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 1,996 | 1,927 |
| Accumulated Amortization | (1,610) | (1,562) |
| Net Carrying Value | $ 386 | $ 365 |
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- Definition 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
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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