Business Segment Information

9 Months Ended

Sep. 30, 2012

Segment Reporting [Abstract]

BUSINESS SEGMENT INFORMATION

BUSINESS SEGMENT INFORMATION

Operating segments are defined as components of an enterprise about which separate financial information is available that is evaluated on a regular basis by the chief operating decision maker, or decision making group, in deciding how to allocate resources to an individual segment and in assessing performance. Eaton’s operating segments are Electrical Americas, Electrical Rest of World, Hydraulics, Aerospace, Truck and Automotive. For additional information regarding Eaton’s business segments, see Note 14 to the Consolidated Financial Statements contained in the 2011 Form 10-K.

EATON CORPORATION BUSINESS SEGMENT INFORMATION
	Three months ended September 30						Nine months ended September 30
	2012			2011			2012			2011
Net sales
Electrical Americas	$	1,143		$	1,074		$	3,363		$	3,071
Electrical Rest of World	686			755			2,020			2,285
Hydraulics	763			717			2,267			2,130
Aerospace	419			420			1,285			1,218
Truck	549			715			1,805			1,964
Automotive	390			442			1,238			1,348
Total net sales	$	3,950		$	4,123		$	11,978		$	12,016
Segment operating profit
Electrical Americas	$	207		$	156		$	559		$	432
Electrical Rest of World	76			62			181			209
Hydraulics	93			109			325			335
Aerospace	49			71			168			166
Truck	103			139			339			349
Automotive	41			62			133			167
Total segment operating profit	569			599			1,705			1,658
Corporate
Amortization of intangible assets	(45		)	(47		)	(129		)	(143		)
Interest expense-net	(42		)	(29		)	(100		)	(92		)
Pension and other postretirement benefits expense	(41		)	(35		)	(121		)	(105		)
Other corporate expense-net	(65		)	(56		)	(192		)	(155		)
Income before income taxes	376			432			1,163			1,163
Income tax expense	29			65			123			172
Net income	347			367			1,040			991
Less net income for noncontrolling interests	(2		)	(2		)	(2		)	(3		)
Net income attributable to Eaton common shareholders	$	345		$	365		$	1,038		$	988