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Segment information (Details 2) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2012
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Dec. 31, 2011
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|---|---|---|
| Long Lived Assets [Abstract] | ||
| United States | $ 2,906 | $ 3,144 |
| Property, plant and equipment, net | 5,326 | 5,420 |
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Puerto Rico Excise Tax [Member]
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| Long Lived Assets [Abstract] | ||
| International countries | 1,908 | 1,993 |
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ROW [Member]
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| Long Lived Assets [Abstract] | ||
| International countries | $ 512 | $ 283 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets, located in the entity's country of domicile. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets, located in foreign countries in total in which the entity holds assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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