v3.25.2
Segment Financial Information - Revenue and Disbursement of Costs and Expenses by Segments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 28, 2025
Jun. 29, 2024
Jun. 28, 2025
Jun. 29, 2024
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues $ 3,716 $ 3,527 $ 7,022 $ 6,662
Costs, expenses and other        
Research and development costs 137 105 269 249
Selling and administrative expense 303 293 601 609
Interest expense, net 31 25 60 45
Operating Segment        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 3,716 3,527 7,022 6,662
Costs, expenses and other        
Cost of products/services sold 2,961 2,798 5,596 5,240
Research and development costs 137 105 269 249
Selling and administrative expense 267 276 522 530
Interest expense, net 5 5 9 10
Segment profit (loss) 346 343 626 633
Textron Aviation        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 1,517 1,475 2,729 2,663
Textron Aviation | Operating Segment        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 1,517 1,475 2,729 2,663
Costs, expenses and other        
Cost of products/services sold 1,171 1,119 2,100 2,010
Research and development costs 53 51 110 103
Selling and administrative expense 113 110 212 212
Interest expense, net 0 0 0 0
Segment profit (loss) 180 195 307 338
Bell        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 1,016 794 1,999 1,521
Bell | Operating Segment        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 1,016 794 1,999 1,521
Costs, expenses and other        
Cost of products/services sold 841 649 1,644 1,214
Research and development costs 38 7 77 46
Selling and administrative expense 57 56 108 99
Interest expense, net 0 0 0 0
Segment profit (loss) 80 82 170 162
Textron Systems        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 321 323 617 629
Textron Systems | Operating Segment        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 321 323 617 629
Costs, expenses and other        
Cost of products/services sold 244 246 463 468
Research and development costs 15 15 23 33
Selling and administrative expense 22 27 51 55
Interest expense, net 0 0 0 0
Segment profit (loss) 40 35 80 73
Industrial        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 839 914 1,631 1,806
Industrial | Operating Segment        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 839 914 1,631 1,806
Costs, expenses and other        
Cost of products/services sold 698 775 1,376 1,533
Research and development costs 20 18 34 38
Selling and administrative expense 67 79 137 164
Interest expense, net 0 0 0 0
Segment profit (loss) 54 42 84 71
Textron eAviation        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 8 9 15 16
Textron eAviation | Operating Segment        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 8 9 15 16
Costs, expenses and other        
Cost of products/services sold 7 9 13 15
Research and development costs 11 14 25 29
Selling and administrative expense 6 4 10 8
Interest expense, net 0 0 0 0
Segment profit (loss) (16) (18) (33) (36)
Finance        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 15 12 31 27
Finance | Operating Segment        
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]        
Revenues 15 12 31 27
Costs, expenses and other        
Cost of products/services sold 0 0 0 0
Research and development costs 0 0 0 0
Selling and administrative expense 2 0 4 (8)
Interest expense, net 5 5 9 10
Segment profit (loss) $ 8 $ 7 $ 18 $ 25