Revenues and Operating Earnings by Reportable Segment (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 1,102.4		$ 888.1		$ 3,203.1		$ 2,580.6
Operating earnings	148.5	[1]	160.1	[1]	516.8	[1]	472.4	[1]
Interest expense	34.2		30.5		96.5		91.6
Earnings before income taxes	114.3		129.6		420.3		380.8
Commercial Aircraft
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	513.9		456.6		1,578.4		1,307.8
Operating earnings	80.4		82.4		271.8		236.3
Consumables Management
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	448.7		317.4		1,242.0		956.8
Operating earnings	75.0		58.8		214.9		184.9
Business Jet
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	139.8		114.1		382.7		316.0
Operating earnings	$ (6.9)		$ 18.9		$ 30.1		$ 51.2

[1] Operating earnings include an allocation of corporate IT costs, employee benefits and general and administrative costs based on the proportion of each segment’s systems users, number of employees and sales, respectively.