Changes in Carrying Amount of Goodwill (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Commercial Aircraft	Dec. 31, 2011 Commercial Aircraft	Dec. 31, 2012 Consumables Management	Dec. 31, 2011 Consumables Management	Dec. 31, 2012 Business Jet	Dec. 31, 2010 Business Jet
Goodwill [Line Items]
Beginning Balance	$ 1,008.3	$ 994.5	$ 384.2	$ 388.5	$ 535.4	$ 517.3	$ 88.7	$ 88.7
Acquisitions	454.6	26.8	2.5	4.7	450.6	22.1	1.5
Dispositions		(6.8)		(6.8)
Effect of foreign currency translation	21.3	(6.2)	1.7	(2.2)	19.8	(4.0)	(0.2)
Ending Balance	$ 1,484.2	$ 1,008.3	$ 388.4	$ 384.2	$ 1,005.8	$ 535.4	$ 90.0	$ 88.7