Advance Payments and Deferred Revenue/Credits (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	$ 913.1	$ 953.5
B737 [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	18.7	20.5
B787 [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	600.2	629.8
A350 XWB [Member]
Advance payments and deferred revenue/credits summarized
Amortization Of Advances Per Ship Set (dollars per ship set)	1,250,000
Airbus Advance Payments Made Under Agreement	0	250.0
Advance Payments And Deferred Revenue Credits	243.9	250.2
Airbus - All Other Platforms [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	7.3	6.7
Gulfstream [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	22.0	28.2
Other [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	$ 21.0	$ 18.1