v2.4.0.6

Goodwill and Other Intangible Assets Schedule of Other Intangible Assets by Major Class (Details) (USD $) In Millions, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Summary of other intangible assets |  |
Intangible assets not subject to amortization (primarily trademarks) | $ 1,296 | $ 451
Intangible assets subject to amortization |  |
Historical cost | 6,392 | 2,503
Accumulated amortization | 909 | 762
Customer Relationships [Member] |  |
Intangible assets subject to amortization |  |
Historical cost | 4,100 | 1,173
Accumulated amortization | 428 | 322
Patents and Technology [Member] |  |
Intangible assets subject to amortization |  |
Historical cost | 1,500 | 849
Accumulated amortization | 325 | 308
Finite Lived Intangible Assets, Other [Member] |  |
Intangible assets subject to amortization |  |
Historical cost | 792 | 481
Accumulated amortization | $ 156 | $ 132

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