| Document and Entity Information | Jan. 29, 2020 |
| Cover [Abstract] | |
| Entity Registrant Name | BOEING CO |
| Amendment Flag | false |
| Entity Central Index Key | 0000012927 |
| Document Type | 8-K |
| Document Period End Date | Jan. 29, 2020 |
| Entity File Number | 1-442 |
| Entity Incorporation State 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, $5.00 Par Value |
| Trading Symbol | BA |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
