Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Business Segment Information
Product Revenue	$ 2,149	$ 2,128	$ 4,201	$ 4,082
Service revenue	875	611	1,583	1,235
Total Revenue	3,024	2,739	5,784	5,317
Operating Income	260	324	448	569
Operating Margin	8.64%	11.80%	7.70%	10.70%
Total Assets	13,100		13,100		12,438
Plant, Property & Equipment, Net	1,242		1,242		1,205
Capital expenditures			(123)	(106)
Depreciation & Amortization			172	140
Defense [Member]
Business Segment Information
Product Revenue	682	925	1,365	1,727
Service revenue	821	578	1,479	1,169
Total Revenue	1,503	1,503	2,844	2,896
Operating Income	142	194	278	335
Operating Margin	9.40%	12.90%	9.80%	11.60%
Total Assets	4,308		4,308		4,149
Plant, Property & Equipment, Net	447		447		434
Capital expenditures			(35)	(51)
Depreciation & Amortization			68	65
Segment Information (Textuals) [Abstract]
Percentage of revenue generated from U.S. Government			88.00%	88.00%
Fluid [Member]
Business Segment Information
Product Revenue	1,056	846	2,000	1,614
Service revenue	52	31	100	62
Total Revenue	1,108	877	2,100	1,676
Operating Income	161	130	286	221
Operating Margin	14.50%	14.80%	13.60%	13.20%
Total Assets	4,449		4,449		4,055
Plant, Property & Equipment, Net	527		527		518
Capital expenditures			(54)	(29)
Depreciation & Amortization			72	42
Motion & Flow [Member]
Business Segment Information
Product Revenue	412	360	840	747
Service revenue	2	2	4	4
Total Revenue	414	362	844	751
Operating Income	57	42	122	97
Operating Margin	13.80%	11.60%	14.50%	12.90%
Total Assets	1,473		1,473		1,372
Plant, Property & Equipment, Net	241		241		230
Capital expenditures			(19)	(19)
Depreciation & Amortization			27	27
Eliminations [Member]
Business Segment Information
Product Revenue	(1)	(3)	(4)	(6)
Service revenue	0	0	0	0
Total Revenue	(1)	(3)	(4)	(6)
Corporate and Other [Member]
Business Segment Information
Operating Income	(100)	(42)	(238)	(84)
Operating Margin	0.00%	0.00%	0.00%	0.00%
Total Assets	2,870		2,870		2,862
Plant, Property & Equipment, Net	27		27		23
Capital expenditures			(15)	(7)
Depreciation & Amortization			$ 5	$ 6