Advance Payments and Deferred Revenue/Credits (Details) (USD $)	3 Months Ended								3 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 B737	Dec. 31, 2011 B737	Dec. 31, 2011 B747	Dec. 31, 2012 B787	Dec. 31, 2011 B787	Dec. 31, 2012 A350 XWB	Dec. 31, 2012 A350 XWB	Dec. 31, 2011 A350 XWB	Dec. 31, 2012 Airbus - All Platforms	Dec. 31, 2011 Airbus - All Platforms	Dec. 31, 2012 Gulfstream	Dec. 31, 2011 Gulfstream	Dec. 31, 2012 Other Inventory [Member]	Dec. 31, 2011 Other Inventory [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits		$ 953,500,000	$ 727,900,000	$ 20,500,000	$ 23,600,000	$ 200,000	$ 629,800,000	$ 629,100,000	$ 250,200,000	$ 250,200,000	$ 22,900,000	$ 6,700,000	$ 7,400,000	$ 28,200,000	$ 35,600,000	$ 18,100,000	$ 9,100,000
Impact Of B787 Amendment	236,200,000
Amortization Of Advances Per Ship Set									1,250,000
Airbus Advance Payments Made Under Agreement										$ 250,000,000