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Eaton Shareholders' Equity Eaton Shareholders' Equity Accumulated Other Comprehensive Income (Loss) (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Currency translation and related hedging instruments [Member]
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| Changes in accumulated other comprehensive income (loss) [Line Items] | |||
| January 1 beginning balance | $ (502) | $ (261) | $ (183) |
| Total comprehensive income (loss) | 109 | (241) | (78) |
| December 31 ending balance | (393) | (502) | (261) |
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Pensions and Other Postretirement Benefits [Member]
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| Changes in accumulated other comprehensive income (loss) [Line Items] | |||
| January 1 beginning balance | (1,447) | (1,094) | (1,032) |
| Total comprehensive income (loss) | (152) | (353) | (62) |
| December 31 ending balance | (1,599) | (1,447) | (1,094) |
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Cash Flow Hedges [Member]
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| Changes in accumulated other comprehensive income (loss) [Line Items] | |||
| January 1 beginning balance | (15) | 7 | 7 |
| Total comprehensive income (loss) | 17 | (22) | 0 |
| December 31 ending balance | 2 | (15) | 7 |
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Accumulated Other Comprehensive Income [Member]
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| Changes in accumulated other comprehensive income (loss) [Line Items] | |||
| January 1 beginning balance | (1,964) | (1,348) | (1,208) |
| Total comprehensive income (loss) | (26) | (616) | (140) |
| December 31 ending balance | $ (1,990) | $ (1,964) | $ (1,348) |