v3.25.2
Revenues - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 28, 2025
Jun. 29, 2024
Jun. 28, 2025
Jun. 29, 2024
Disaggregation of Revenue [Line Items]        
Revenues $ 3,716 $ 3,527 $ 7,022 $ 6,662
United States        
Disaggregation of Revenue [Line Items]        
Revenues 2,655 2,575 4,933 4,826
Europe        
Disaggregation of Revenue [Line Items]        
Revenues 344 303 665 606
Other international        
Disaggregation of Revenue [Line Items]        
Revenues 717 649 1,424 1,230
Commercial        
Disaggregation of Revenue [Line Items]        
Revenues 2,720 2,639 5,102 5,011
U.S. Government        
Disaggregation of Revenue [Line Items]        
Revenues 996 888 1,920 1,651
Textron Aviation        
Disaggregation of Revenue [Line Items]        
Revenues 1,517 1,475 2,729 2,663
Textron Aviation | United States        
Disaggregation of Revenue [Line Items]        
Revenues 1,079 1,147 1,991 2,097
Textron Aviation | Europe        
Disaggregation of Revenue [Line Items]        
Revenues 153 91 239 153
Textron Aviation | Other international        
Disaggregation of Revenue [Line Items]        
Revenues 285 237 499 413
Textron Aviation | Commercial        
Disaggregation of Revenue [Line Items]        
Revenues 1,431 1,343 2,574 2,498
Textron Aviation | U.S. Government        
Disaggregation of Revenue [Line Items]        
Revenues 86 132 155 165
Textron Aviation | Aircraft        
Disaggregation of Revenue [Line Items]        
Revenues 1,010 975 1,739 1,707
Textron Aviation | Aftermarket parts and services        
Disaggregation of Revenue [Line Items]        
Revenues 507 500 990 956
Bell        
Disaggregation of Revenue [Line Items]        
Revenues 1,016 794 1,999 1,521
Bell | United States        
Disaggregation of Revenue [Line Items]        
Revenues 820 639 1,502 1,198
Bell | Europe        
Disaggregation of Revenue [Line Items]        
Revenues 12 14 68 37
Bell | Other international        
Disaggregation of Revenue [Line Items]        
Revenues 184 141 429 286
Bell | Commercial        
Disaggregation of Revenue [Line Items]        
Revenues 361 288 722 527
Bell | U.S. Government        
Disaggregation of Revenue [Line Items]        
Revenues 655 506 1,277 994
Bell | Military aircraft and support programs        
Disaggregation of Revenue [Line Items]        
Revenues 648 499 1,282 979
Bell | Commercial helicopters, parts and services        
Disaggregation of Revenue [Line Items]        
Revenues 368 295 717 542
Textron Systems        
Disaggregation of Revenue [Line Items]        
Revenues 321 323 617 629
Textron Systems | United States        
Disaggregation of Revenue [Line Items]        
Revenues 293 283 562 557
Textron Systems | Europe        
Disaggregation of Revenue [Line Items]        
Revenues 10 12 22 25
Textron Systems | Other international        
Disaggregation of Revenue [Line Items]        
Revenues 18 28 33 47
Textron Systems | Commercial        
Disaggregation of Revenue [Line Items]        
Revenues 76 79 146 151
Textron Systems | U.S. Government        
Disaggregation of Revenue [Line Items]        
Revenues 245 244 471 478
Industrial        
Disaggregation of Revenue [Line Items]        
Revenues 839 914 1,631 1,806
Industrial | United States        
Disaggregation of Revenue [Line Items]        
Revenues 454 497 862 957
Industrial | Europe        
Disaggregation of Revenue [Line Items]        
Revenues 166 183 330 381
Industrial | Other international        
Disaggregation of Revenue [Line Items]        
Revenues 219 234 439 468
Industrial | Commercial        
Disaggregation of Revenue [Line Items]        
Revenues 829 908 1,614 1,792
Industrial | U.S. Government        
Disaggregation of Revenue [Line Items]        
Revenues 10 6 17 14
Industrial | Fuel systems and functional components        
Disaggregation of Revenue [Line Items]        
Revenues 483 492 933 980
Industrial | Specialized vehicles        
Disaggregation of Revenue [Line Items]        
Revenues 356 422 698 826
Textron eAviation        
Disaggregation of Revenue [Line Items]        
Revenues 8 9 15 16
Textron eAviation | United States        
Disaggregation of Revenue [Line Items]        
Revenues 4 5 7 9
Textron eAviation | Europe        
Disaggregation of Revenue [Line Items]        
Revenues 2 3 5 5
Textron eAviation | Other international        
Disaggregation of Revenue [Line Items]        
Revenues 2 1 3 2
Textron eAviation | Commercial        
Disaggregation of Revenue [Line Items]        
Revenues 8 9 15 16
Textron eAviation | U.S. Government        
Disaggregation of Revenue [Line Items]        
Revenues 0 0 0 0
Finance        
Disaggregation of Revenue [Line Items]        
Revenues 15 12 31 27
Finance | United States        
Disaggregation of Revenue [Line Items]        
Revenues 5 4 9 8
Finance | Europe        
Disaggregation of Revenue [Line Items]        
Revenues 1 0 1 5
Finance | Other international        
Disaggregation of Revenue [Line Items]        
Revenues 9 8 21 14
Finance | Commercial        
Disaggregation of Revenue [Line Items]        
Revenues 15 12 31 27
Finance | U.S. Government        
Disaggregation of Revenue [Line Items]        
Revenues $ 0 $ 0 $ 0 $ 0