Eaton Shareholders' Equity Eaton Shareholders' Equity - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Defined Benefit Plan, Actuarial Gain (Loss)	$ (229)	[1]
Amortization of defined benefit pension reclassifications before tax	(229)
Tax (expense) benefit on amortization of defined benefit pension items	85
Net amortization of defined benefit items after tax	(144)
Gain and losses on cash flow hedges	0
Accumulated Other Comprehensve Gain Cash Flow Hedges Income Tax Expense	0
Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net, After Tax	0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(144)
Interest Expense [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	(1)
Cost of Sales [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Currency exchange contracts	2
Commodity contracts	$ (1)

[1] These components of Accumulated other comprehensive loss are included in the computation of net periodic pension cost. See Note 6 for additional information about defined benefit pension items.