| Cover Page Document | Nov. 03, 2021 | Oct. 29, 2021 |
| Cover [Abstract] | ||
| Title of 12(b) Security | Class A common stock, par value $0.01 per share | |
| Entity Central Index Key | 0001364885 | |
| Entity Incorporation, State or Country Code | DE | |
| Document Type | 8-K | |
| Document Period End Date | Nov. 3, 2021 | |
| Entity Registrant Name | Spirit AeroSystems Holdings, Inc. | |
| Entity File Number | 001-33160 | |
| Entity Tax Identification Number | 20-2436320 | |
| Entity Address, Address Line One | 3801 South Oliver | |
| Entity Address, City or Town | Wichita | |
| Entity Address, State or Province | KS | |
| Entity Address, Postal Zip Code | 67210 | |
| City Area Code | 316 | |
| Local Phone Number | 526-9000 | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Entity Emerging Growth Company | false | |
| Amendment Flag | false | |
| Trading Symbol | SPR | |
| Security Exchange Name | NYSE |
