| Schedule of results by segment |
| | | | | | | | | | | | | | | | | | | | | | | | For the year ended 2025 | CMBU | CDBU | MCBU | AEBU | All Other | Unallocated | Total | | | | | | | | | | Revenue | $ | 13,524 | | $ | 7,229 | | $ | 11,859 | | $ | 4,753 | | $ | 13 | | $ | — | | $ | 37,378 | | | Cost of goods sold | 5,867 | | 3,995 | | 8,650 | | 3,566 | | 14 | | 413 | | 22,505 | | | Gross margin | 7,657 | | 3,234 | | 3,209 | | 1,187 | | (1) | | (413) | | 14,873 | | | | | | | | | | | Research and development | 1,315 | | 864 | | 836 | | 435 | | — | | 348 | | 3,798 | | | Selling, general, and administrative | 213 | | 188 | | 390 | | 195 | | — | | 219 | | 1,205 | | Restructure and asset impairment | — | | — | | — | | — | | — | | 39 | | 39 | | | Other operating (income) expense, net | — | | 2 | | 2 | | — | | — | | 57 | | 61 | | | Operating income (loss) | $ | 6,129 | | $ | 2,180 | | $ | 1,981 | | $ | 557 | | $ | (1) | | $ | (1,076) | | $ | 9,770 | |
| | | | | | | | | | | | | | | | | | | | | | | | For the year ended 2024 | CMBU | CDBU | MCBU | AEBU | All Other | Unallocated | Total | | | | | | | | | | Revenue | $ | 3,792 | | $ | 4,984 | | $ | 11,667 | | $ | 4,631 | | $ | 37 | | $ | — | | $ | 25,111 | | | Cost of goods sold | 2,677 | | 3,638 | | 10,222 | | 3,598 | | 20 | | (657) | | 19,498 | | | Gross margin | 1,115 | | 1,346 | | 1,445 | | 1,033 | | 17 | | 657 | | 5,613 | | | | | | | | | | | Research and development | 769 | | 960 | | 994 | | 425 | | — | | 282 | | 3,430 | | | Selling, general, and administrative | 107 | | 139 | | 485 | | 186 | | (1) | | 213 | | 1,129 | | Restructure and asset impairment | — | | — | | — | | — | | — | | 1 | | 1 | | | Other operating (income) expense, net | (5) | | (8) | | (33) | | (10) | | — | | (195) | | (251) | | | Operating income (loss) | $ | 244 | | $ | 255 | | $ | (1) | | $ | 432 | | $ | 18 | | $ | 356 | | $ | 1,304 | |
| | | | | | | | | | | | | | | | | | | | | | | | For the year ended 2023 | CMBU | CDBU | MCBU | AEBU | All Other | Unallocated | Total | | | | | | | | | | Revenue | $ | 1,872 | | $ | 2,124 | | $ | 7,394 | | $ | 4,139 | | $ | 11 | | $ | — | | $ | 15,540 | | | Cost of goods sold | 1,801 | | 1,967 | | 9,072 | | 2,905 | | 4 | | 1,207 | | 16,956 | | | Gross margin | 71 | | 157 | | (1,678) | | 1,234 | | 7 | | (1,207) | | (1,416) | | | | | | | | | | | Research and development | 755 | | 622 | | 1,122 | | 389 | | — | | 226 | | 3,114 | | | Selling, general, and administrative | 90 | | 104 | | 414 | | 176 | | (1) | | 137 | | 920 | | Restructure and asset impairment | — | | — | | — | | — | | — | | 171 | | 171 | | | Other operating (income) expense, net | (6) | | (6) | | (25) | | (11) | | — | | 172 | | 124 | | | Operating income (loss) | $ | (768) | | $ | (563) | | $ | (3,189) | | $ | 680 | | $ | 8 | | $ | (1,913) | | $ | (5,745) | |
|
| Schedule of depreciation and amortization expense by segment |
Depreciation and amortization expense included in operating income (loss) was as follows: | | | | | | | | | | | | For the year ended | 2025 | 2024 | 2023 | | | | | | CMBU | $ | 2,260 | | $ | 1,112 | | $ | 909 | | | CDBU | 1,530 | | 1,434 | | 1,020 | | | MCBU | 3,177 | | 3,762 | | 4,319 | | | AEBU | 1,375 | | 1,447 | | 1,486 | | | All Other | 5 | | 7 | | 3 | | | Unallocated | 5 | | 18 | | 19 | | | $ | 8,352 | | $ | 7,780 | | $ | 7,756 | |
|