v3.26.1
Schedule H, Line 4i, Schedule of Assets (Held at End of Year) (Details) - EBP 030 - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Schedule of Asset Held for Investment [Line Items]    
Entity tax identification number 05-0315468  
Plan number 030  
Adjustment to bring Security-backed (Synthetic) Investment Contracts Fund to Contract Value: $ 6,671  
Total Security-backed (Synthetic) Investment Contracts Fund at Contract Value (in Managed Income Fund): 300,115  
Notes receivable from participants 83,950  
TOTAL ASSETS $ 6,737,407  
Textron Stock Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 13,383,682 14,136,280
Current Value $ 1,166,655  
Total Common Collective Trust Funds (outside Textron Managed Income Fund)    
EBP, Schedule of Asset Held for Investment [Line Items]    
Current Value 4,694,325  
Total Security-backed (Synthetic) Investment Contracts Fund at Fair Market Value (in Managed Income Fund):    
EBP, Schedule of Asset Held for Investment [Line Items]    
Current Value 293,444  
Self-directed brokerage accounts    
EBP, Schedule of Asset Held for Investment [Line Items]    
Current Value $ 483,859  
Investment, Identifier [Axis]: Fidelity® Diversified International Commingled Pool    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 7,131,000  
Current Value $ 171,294  
Investment, Identifier [Axis]: Galliard Intermediate Core Fund L    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 3,703  
Current Value $ 57,669  
Investment, Identifier [Axis]: Galliard SA Intermediate Core Fund C    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 1,223  
Current Value $ 39,462  
Investment, Identifier [Axis]: Galliard SA Intermediate Core Fund E    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 1,397  
Current Value $ 42,005  
Investment, Identifier [Axis]: Galliard SA Intermediate Core Fund J    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 2,273  
Current Value $ 40,696  
Investment, Identifier [Axis]: Galliard Short Core Fund F    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 6,452  
Current Value $ 113,612  
Investment, Identifier [Axis]: JPMCB U.S. Active Core Equity Fund CF-C    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 4,727,000  
Current Value $ 509,603  
Investment, Identifier [Axis]: Metropolitan Tower Life Insurance Company    
EBP, Schedule of Asset Held for Investment [Line Items]    
Rate of Interest 3.57%  
Adjustment to bring Security-backed (Synthetic) Investment Contracts Fund to Contract Value: $ 1,630  
Investment, Identifier [Axis]: Pacific Life Insurance Company    
EBP, Schedule of Asset Held for Investment [Line Items]    
Rate of Interest 3.46%  
Adjustment to bring Security-backed (Synthetic) Investment Contracts Fund to Contract Value: $ 1,730  
Investment, Identifier [Axis]: Prudential Insurance Company of America    
EBP, Schedule of Asset Held for Investment [Line Items]    
Rate of Interest 3.56%  
Adjustment to bring Security-backed (Synthetic) Investment Contracts Fund to Contract Value: $ 1,625  
Investment, Identifier [Axis]: State Street Real Asset Non-Lending Series Fund Class C    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 773,000  
Current Value $ 15,863  
Investment, Identifier [Axis]: Vanguard Institutional 500 Index Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 7,317,000  
Current Value $ 1,017,869  
Investment, Identifier [Axis]: Vanguard Institutional Small/Mid Cap Index Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 334,000  
Current Value $ 47,026  
Investment, Identifier [Axis]: Vanguard Institutional Total Bond Market Index Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 455,000  
Current Value $ 58,421  
Investment, Identifier [Axis]: Vanguard Institutional Total International Stock Market Index Trust    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 319,000  
Current Value $ 35,134  
Investment, Identifier [Axis]: Vanguard Target Retirement 2020 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 1,370,000  
Current Value $ 77,937  
Investment, Identifier [Axis]: Vanguard Target Retirement 2025 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 3,744,000  
Current Value $ 233,116  
Investment, Identifier [Axis]: Vanguard Target Retirement 2030 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 5,803,000  
Current Value $ 385,677  
Investment, Identifier [Axis]: Vanguard Target Retirement 2035 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 5,452,000  
Current Value $ 385,491  
Investment, Identifier [Axis]: Vanguard Target Retirement 2040 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 5,160,000  
Current Value $ 386,665  
Investment, Identifier [Axis]: Vanguard Target Retirement 2045 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 3,611,000  
Current Value $ 285,617  
Investment, Identifier [Axis]: Vanguard Target Retirement 2050 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 3,005,000  
Current Value $ 244,113  
Investment, Identifier [Axis]: Vanguard Target Retirement 2055 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 2,457,000  
Current Value $ 199,465  
Investment, Identifier [Axis]: Vanguard Target Retirement 2060 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 1,694,000  
Current Value $ 137,728  
Investment, Identifier [Axis]: Vanguard Target Retirement 2065 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 1,368,000  
Current Value $ 66,812  
Investment, Identifier [Axis]: Vanguard Target Retirement 2070 Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 262,000  
Current Value $ 7,801  
Investment, Identifier [Axis]: Vanguard Target Retirement Income Trust Plus    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 1,318,000  
Current Value $ 66,028  
Investment, Identifier [Axis]: Voya Retirement Insurance and Annuity Company    
EBP, Schedule of Asset Held for Investment [Line Items]    
Rate of Interest 3.49%  
Adjustment to bring Security-backed (Synthetic) Investment Contracts Fund to Contract Value: $ 1,686  
Investment, Identifier [Axis]: Wellington Core Bond    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 10,402,000  
Current Value $ 96,221  
Investment, Identifier [Axis]: Wellington SMID Cap Research Equity Portfolio    
EBP, Schedule of Asset Held for Investment [Line Items]    
Number of Shares/Units (in shares) 12,347,000  
Current Value $ 266,444  
Investment, Identifier [Axis]: Wells Fargo/BlackRock Short Term Investment Fund    
EBP, Schedule of Asset Held for Investment [Line Items]    
Current Value $ 8,503  
Rate of Interest 3.88%