Inventory (Details 6) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 28, 2013	Dec. 31, 2012
Deferred Production Costs And Credit Balances [Abstract
Deferred Production Costs	$ 1,296.1	$ 1,173.8
Inventory Type Two [Member]
Deferred Production Costs And Credit Balances [Abstract
Deferred Production Costs	4.8	3.6
Inventory Type Five [Member]
Deferred Production Costs And Credit Balances [Abstract
Deferred Production Costs	606.2	595.1
Block And Order Detail [Abstract]
Contract Block Quantity	500
Orders	840
Contract Block Deliveries	116.0
Airbus Three Hundred Fifty XWB [Member]
Deferred Production Costs And Credit Balances [Abstract
Deferred Production Costs	225.0	177.4
Block And Order Detail [Abstract]
Contract Block Quantity	400
Orders	616
Contract Block Deliveries	5.0
G280 [Member]
Deferred Production Costs And Credit Balances [Abstract
Deferred Production Costs	154.1	98.3
Block And Order Detail [Abstract]
Contract Block Quantity	250
Orders	49
G650 [Member]
Deferred Production Costs And Credit Balances [Abstract
Deferred Production Costs	316.3	297.3
Block And Order Detail [Abstract]
Contract Block Quantity	350
Orders	95
Inventory Type Eight [Member]
Deferred Production Costs And Credit Balances [Abstract
Deferred Production Costs	54.8	51.2
Block And Order Detail [Abstract]
Contract Block Quantity	350
Orders	90
Other Inventory [Member]
Block And Order Detail [Abstract]
Contract Block Deliveries	$ 142.0