Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Oct. 16, 2019
Document Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
Document Transition Report	false
Entity File Number	1-442
Entity Registrant Name	BOEING CO
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	91-0425694
Entity Address, Address Line One	100 N. Riverside Plaza,
Entity Address, City or Town	Chicago,
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60606-1596
City Area Code	(312)
Local Phone Number	544-2000
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Title of 12(b) Security	Common Stock, $5.00 Par Value
Trading Symbol	BA
Security Exchange Name	NYSE
Entity Common Stock, Shares Outstanding		562,791,233
Amendment Flag	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Entity Central Index Key	0000012927
Current Fiscal Year End Date	--12-31