OPERATING SEGMENTS (Details) (USD $) In Millions	3 Months Ended				9 Months Ended
	Sep. 25, 2011		Sep. 26, 2010		Sep. 25, 2011		Sep. 26, 2010
Operating results by segment:
External sales	$ 4,626		$ 3,401		$ 13,127		$ 9,087
Total sales	4,626	[1]	3,401	[1]	13,127	[1]	9,087	[1]
Depreciation and amortization	82		77		239		236
Research, development and engineering expenses	164		103		450		291
Equity, royalty and interest income from investees	102		88		315		261
Interest income	9		6		25		14
Segment EBIT	640		449		1,947		1,116
Less: Interest expense	11		11		34		29
INCOME BEFORE INCOME TAXES	629		438		1,913		1,087
Gain related to the sale of exhaust business, excluded from segment results					68
Unallocated corporate expenses - Brazil tax recoveries, before tax							32
Unallocated corporate expenses - Brazil tax recoveries, after tax							21
Engine
Operating results by segment:
External sales	2,539		1,727		7,021		4,495
Intersegment sales	416		342		1,225		896
Total sales	2,955		2,069		8,246		5,391
Depreciation and amortization	46		42		135		125
Research, development and engineering expenses	103		65		285		187
Equity, royalty and interest income from investees	35		37		126		124
Interest income	5		3		14		7
Segment EBIT	349		223		1,016		553
Power Generation
Operating results by segment:
External sales	604		564		1,810		1,460
Intersegment sales	270		227		768		556
Total sales	874		791		2,578		2,016
Depreciation and amortization	11		10		32		31
Research, development and engineering expenses	14		8		37		23
Equity, royalty and interest income from investees	16		12		37		27
Interest income	2		2		6		4
Segment EBIT	92		97		286		207
Components
Operating results by segment:
External sales	704		540		2,105		1,515
Intersegment sales	311		229		866		613
Total sales	1,015		769		2,971		2,128
Depreciation and amortization	19		20		55		61
Research, development and engineering expenses	46		30		126		81
Equity, royalty and interest income from investees	7		6		24		17
Interest income	1				3		1
Segment EBIT	113		63		338		195
Distribution
Operating results by segment:
External sales	779		570		2,191		1,617
Intersegment sales	4		3		19		8
Total sales	783		573		2,210		1,625
Depreciation and amortization	6		5		17		19
Research, development and engineering expenses	1				2
Equity, royalty and interest income from investees	44		33		128		93
Interest income	1		1		2		2
Segment EBIT	104		74		299		215
Non-segment items
Operating results by segment:
Intersegment sales	(1,001)		(801)		(2,878)		(2,073)
Total sales	(1,001)		(801)		(2,878)		(2,073)
Segment EBIT	(18)		(8)		8		(54)
Gain related to the sale of exhaust business, excluded from segment results					68
Gain related to the sale of exhaust business, excluded from segment results, after tax					37
Unallocated corporate expenses - Brazil tax recoveries, before tax			32				32
Unallocated corporate expenses - Brazil tax recoveries, after tax			21				21
Unallocated corporate expenses - gains (losses) related to flood damage recoveries			$ (2)				$ (2)

[1] Includes sales to nonconsolidated equity investees of $640 million and $1,874 million and $580 million and $1,524 million for the three and nine months ended September 25, 2011 and September 26, 2010, respectively.