v3.26.1
Debt (Details) - Spirit AeroSystems Holdings, Inc. - Senior Notes
$ in Millions
Dec. 08, 2025
USD ($)
Senior Notes Due 2026  
Debt Instrument [Line Items]  
Business combination, recognized identifiable assets acquired and liabilities assumed, long-term debt, outstanding $ 300
Debt instrument, interest rate, stated percentage 3.85%
Senior Notes Due 2028  
Debt Instrument [Line Items]  
Business combination, recognized identifiable assets acquired and liabilities assumed, long-term debt, outstanding $ 700
Debt instrument, interest rate, stated percentage 4.60%