Customer Financing (Customer Financing Asset Impairment Charges) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Customer Financing [Line Items]
Impairment charges	$ 229	$ 96	$ 84
Customer Financing [Member]
Customer Financing [Line Items]
Impairment charges	184	81	58
Customer Financing [Member] | Boeing Capital Corporation [Member]
Customer Financing [Line Items]
Impairment charges	139	67	73
Customer Financing [Member] | Other Boeing [Member]
Customer Financing [Line Items]
Impairment charges	$ 45	$ 14	$ (15)