v3.3.1.900

Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Accounting Policies [Abstract] |  |  |
Net sales | $ 20,855 | $ 22,552 | $ 22,046
Number of Eaton employees | 97,000 |  |
Countries of operation | over 60 |  |
Countries where products are sold | 175 |  |
Minimum [Member] |  |  |
Investments in associate companies [Line Items] |  |  |
Equity method of accounting, ownership interest | 20.00% |  |
Maximum [Member] |  |  |
Investments in associate companies [Line Items] |  |  |
Equity method of accounting, ownership interest | 50.00% |  |

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