v3.26.1
Significant Accounting Policies (Details) - EBP 030 - USD ($)
Dec. 31, 2025
Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets $ 6,353,342,000 $ 5,656,943,000
Security-backed investment contracts (Synthetic GICs) 300,115,000 316,398,000
Textron Stock Fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 1,166,655,549 1,081,284,041
Cash (non-interest bearing) 25,341,230  
Level 1    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 6,336,732,000 5,642,411,000
Level 1 | Textron Stock Fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 1,166,655,000 1,081,284,000
Level 1 | BrokerageLink    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 475,751,000 400,890,000
Level 1 | Blended Debt And Equity    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 2,492,314,000 2,131,690,000
Level 1 | Domestic Equity    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 1,852,337,000 1,735,676,000
Level 1 | International Equity    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 218,320,000 166,472,000
Level 1 | Debt Securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 131,355,000 126,399,000
Level 2    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 8,108,000 9,709,000
Level 2 | Textron Stock Fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 0 0
Level 2 | BrokerageLink    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 8,108,000 9,709,000
Level 2 | Blended Debt And Equity    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 0 0
Level 2 | Domestic Equity    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 0 0
Level 2 | International Equity    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 0 0
Level 2 | Debt Securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 0 0
Level 3    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 0 0
Level 3 | Textron Stock Fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 0 0
Level 3 | BrokerageLink    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 0 0
Level 3 | Blended Debt And Equity    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 0 0
Level 3 | Domestic Equity    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 0 0
Level 3 | International Equity    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 0 0
Level 3 | Debt Securities    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets 0 0
Not Subject to Leveling    
EBP, Investment, Fair Value and NAV [Line Items]    
Total assets $ 8,502,000 $ 4,823,000