v3.3.1.900

Goodwill and Other Intangible Assets Schedule of Other Intangible Assets by Major Class (Details) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Summary of other intangible assets |  |
Intangible assets not subject to amortization - trademarks | $ 1,661 | $ 1,844
Intangible assets subject to amortization |  |
Historical cost | 6,207 | 6,251
Accumulated amortization | 1,854 | 1,539
Customer relationships [Member] |  |
Intangible assets subject to amortization |  |
Historical cost | 3,544 | 3,674
Accumulated amortization | 1,010 | 834
Patents and technology [Member] |  |
Intangible assets subject to amortization |  |
Historical cost | 1,447 | 1,494
Accumulated amortization | 511 | 440
Trademarks [Member] |  |
Intangible assets subject to amortization |  |
Historical cost | 1,113 | 980
Accumulated amortization | 311 | 250
Other [Member] |  |
Intangible assets subject to amortization |  |
Historical cost | 103 | 103
Accumulated amortization | $ 22 | $ 15

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