Debt - Narrative (Details) - Spirit AeroSystems Holdings, Inc. - Senior Notes $ in Millions	Dec. 31, 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%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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