v3.25.4
Revenues - Disaggregation of Revenues (Details) - USD ($)
$ in Millions
 12 Months Ended
Jan. 03, 2026
Dec. 28, 2024
Dec. 30, 2023
Disaggregation of Revenue [Line Items]      
Revenues $ 14,799 $ 13,702 $ 13,683
United States      
Disaggregation of Revenue [Line Items]      
Revenues 10,283 9,676 9,305
Europe      
Disaggregation of Revenue [Line Items]      
Revenues 1,289 1,210 1,414
South and Latin America      
Disaggregation of Revenue [Line Items]      
Revenues 1,280 874 842
Other international      
Disaggregation of Revenue [Line Items]      
Revenues 1,947 1,942 2,122
Commercial      
Disaggregation of Revenue [Line Items]      
Revenues 10,806 10,332 10,750
U. S. Government      
Disaggregation of Revenue [Line Items]      
Revenues 3,993 3,370 2,933
Textron Aviation      
Disaggregation of Revenue [Line Items]      
Revenues 5,955 5,284 5,373
Textron Aviation | United States      
Disaggregation of Revenue [Line Items]      
Revenues 4,281 4,019 3,873
Textron Aviation | Europe      
Disaggregation of Revenue [Line Items]      
Revenues 467 371 432
Textron Aviation | South and Latin America      
Disaggregation of Revenue [Line Items]      
Revenues 628 336 284
Textron Aviation | Other international      
Disaggregation of Revenue [Line Items]      
Revenues 579 558 784
Textron Aviation | Commercial      
Disaggregation of Revenue [Line Items]      
Revenues 5,579 4,985 5,155
Textron Aviation | U. S. Government      
Disaggregation of Revenue [Line Items]      
Revenues 376 299 218
Textron Aviation | Aircraft      
Disaggregation of Revenue [Line Items]      
Revenues 3,922 3,374 3,577
Textron Aviation | Aftermarket parts and services      
Disaggregation of Revenue [Line Items]      
Revenues 2,033 1,910 1,796
Bell      
Disaggregation of Revenue [Line Items]      
Revenues 4,282 3,579 3,147
Bell | United States      
Disaggregation of Revenue [Line Items]      
Revenues 3,156 2,644 2,228
Bell | Europe      
Disaggregation of Revenue [Line Items]      
Revenues 122 85 149
Bell | South and Latin America      
Disaggregation of Revenue [Line Items]      
Revenues 281 201 224
Bell | Other international      
Disaggregation of Revenue [Line Items]      
Revenues 723 649 546
Bell | Commercial      
Disaggregation of Revenue [Line Items]      
Revenues 1,634 1,490 1,407
Bell | U. S. Government      
Disaggregation of Revenue [Line Items]      
Revenues 2,648 2,089 1,740
Bell | Military aircraft and support programs      
Disaggregation of Revenue [Line Items]      
Revenues 2,618 2,048 1,701
Bell | Commercial helicopters, parts and services      
Disaggregation of Revenue [Line Items]      
Revenues 1,664 1,531 1,446
Textron Systems      
Disaggregation of Revenue [Line Items]      
Revenues 1,247 1,241 1,235
Textron Systems | United States      
Disaggregation of Revenue [Line Items]      
Revenues 1,129 1,112 1,103
Textron Systems | Europe      
Disaggregation of Revenue [Line Items]      
Revenues 43 45 54
Textron Systems | South and Latin America      
Disaggregation of Revenue [Line Items]      
Revenues 7 12 12
Textron Systems | Other international      
Disaggregation of Revenue [Line Items]      
Revenues 68 72 66
Textron Systems | Commercial      
Disaggregation of Revenue [Line Items]      
Revenues 306 292 282
Textron Systems | U. S. Government      
Disaggregation of Revenue [Line Items]      
Revenues 941 949 953
Industrial      
Disaggregation of Revenue [Line Items]      
Revenues 3,213 3,515 3,841
Industrial | United States      
Disaggregation of Revenue [Line Items]      
Revenues 1,668 1,865 2,067
Industrial | Europe      
Disaggregation of Revenue [Line Items]      
Revenues 649 693 766
Industrial | South and Latin America      
Disaggregation of Revenue [Line Items]      
Revenues 336 306 300
Industrial | Other international      
Disaggregation of Revenue [Line Items]      
Revenues 560 651 708
Industrial | Commercial      
Disaggregation of Revenue [Line Items]      
Revenues 3,185 3,482 3,819
Industrial | U. S. Government      
Disaggregation of Revenue [Line Items]      
Revenues 28 33 22
Industrial | Fuel systems and functional components      
Disaggregation of Revenue [Line Items]      
Revenues 1,883 1,891 1,954
Industrial | Specialized vehicles      
Disaggregation of Revenue [Line Items]      
Revenues 1,330 1,624 1,887
Textron eAviation      
Disaggregation of Revenue [Line Items]      
Revenues 27 33 32
Textron eAviation | United States      
Disaggregation of Revenue [Line Items]      
Revenues 14 19 17
Textron eAviation | Europe      
Disaggregation of Revenue [Line Items]      
Revenues 7 11 11
Textron eAviation | South and Latin America      
Disaggregation of Revenue [Line Items]      
Revenues 2 0 1
Textron eAviation | Other international      
Disaggregation of Revenue [Line Items]      
Revenues 4 3 3
Textron eAviation | Commercial      
Disaggregation of Revenue [Line Items]      
Revenues 27 33 32
Textron eAviation | U. S. Government      
Disaggregation of Revenue [Line Items]      
Revenues 0 0 0
Finance      
Disaggregation of Revenue [Line Items]      
Revenues 75 50 55
Finance | United States      
Disaggregation of Revenue [Line Items]      
Revenues 35 17 17
Finance | Europe      
Disaggregation of Revenue [Line Items]      
Revenues 1 5 2
Finance | South and Latin America      
Disaggregation of Revenue [Line Items]      
Revenues 26 19 21
Finance | Other international      
Disaggregation of Revenue [Line Items]      
Revenues 13 9 15
Finance | Commercial      
Disaggregation of Revenue [Line Items]      
Revenues 75 50 55
Finance | U. S. Government      
Disaggregation of Revenue [Line Items]      
Revenues $ 0 $ 0 $ 0