Segment Reporting - Capital Expenditures by Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Property, Plant and Equipment [Line Items]
Capital expenditures	$ 18.5	$ 22.7	$ 36.1	$ 48.0
Commercial Aircraft
Property, Plant and Equipment [Line Items]
Capital expenditures	14.3	13.3	29.4	36.5
Business Jet
Property, Plant and Equipment [Line Items]
Capital expenditures	$ 4.2	$ 9.4	$ 6.7	$ 11.5

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

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Balance Type:	credit
Period Type:	duration