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Revenue (Tables) | 12 Months Ended
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Jan. 02, 2026
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | Revenue by business unit and reportable segment was as follows:
|  |  | Year ended
Dollars in millions |  |  |  |  | January 2, 2026 |  | January 3, 2025 |  | December 29, 2023
Mission Technology Solutions |  |  |  |  |  |  |  |  |
Science & Space |  |  |  |  | $ | 1,126 |  |  | $ | 1,188 |  |  | $ | 1,127 |
Defense & Intel |  |  |  |  | 3,178 |  |  | 2,887 |  |  | 2,497 |
Readiness & Sustainment |  |  |  |  | 1,277 |  |  | 1,480 |  |  | 1,495 |
Total Mission Technology Solutions |  |  |  |  | $ | 5,581 |  |  | $ | 5,555 |  |  | $ | 5,119 |
Sustainable Technology Solutions |  |  |  |  | $ | 2,205 |  |  | $ | 2,155 |  |  | $ | 1,837 |
Total revenue |  |  |  |  | $ | 7,786 |  |  | $ | 7,710 |  |  | $ | 6,956 |
Revenue by customer type was as follows:
|  |  | Year ended
|  |  |  |  | January 2, 2026 |  | January 3, 2025 |  | December 29, 2023
Dollars in millions |  |  |  |  |  |  |  |  |  |  |  |  | MTS |  | STS |  | Total |  | MTS |  | STS |  | Total |  | MTS |  | STS |  | Total
U.S. Government Defense and Intelligence Clients |  |  |  |  |  |  |  |  |  |  |  |  | $ | 3,370 |  |  | $ | — |  |  | $ | 3,370 |  |  | $ | 3,292 |  |  | $ | — |  |  | $ | 3,292 |  |  | $ | 3,039 |  |  | $ | — |  |  | $ | 3,039 |
U.S. Government Federal Civilian Clients |  |  |  |  |  |  |  |  |  |  |  |  | 1,057 |  |  | — |  |  | 1,057 |  |  | 1,112 |  |  | — |  |  | 1,112 |  |  | 1,052 |  |  | — |  |  | 1,052 |
International Government Clients |  |  |  |  |  |  |  |  |  |  |  |  | 905 |  |  | — |  |  | 905 |  |  | 891 |  |  | — |  |  | 891 |  |  | 791 |  |  | — |  |  | 791 |
Commercial and Infrastructure Clients |  |  |  |  |  |  |  |  |  |  |  |  | 249 |  |  | 2,205 |  |  | 2,454 |  |  | 260 |  |  | 2,155 |  |  | 2,415 |  |  | 237 |  |  | 1,837 |  |  | 2,074 |
Total revenue |  |  |  |  |  |  |  |  |  |  |  |  | $ | 5,581 |  |  | $ | 2,205 |  |  | $ | 7,786 |  |  | $ | 5,555 |  |  | $ | 2,155 |  |  | $ | 7,710 |  |  | $ | 5,119 |  |  | $ | 1,837 |  |  | $ | 6,956 |
Revenue by geographic destination was as follows:
| Year ended
Dollars in millions | January 2, 2026 |  | January 3, 2025 |  | December 29, 2023
Total by Countries/Regions | MTS |  | STS |  | Total |  | MTS |  | STS |  | Total |  | MTS |  | STS |  | Total
United States | $ | 3,772 |  |  | $ | 472 |  |  | $ | 4,244 |  |  | $ | 3,503 |  |  | $ | 542 |  |  | $ | 4,045 |  |  | $ | 3,096 |  |  | $ | 521 |  |  | $ | 3,617 |
Europe | 1,313 |  |  | 271 |  |  | 1,584 |  |  | 1,595 |  |  | 299 |  |  | 1,894 |  |  | 1,569 |  |  | 247 |  |  | 1,816 |
Middle East | 123 |  |  | 667 |  |  | 790 |  |  | 110 |  |  | 621 |  |  | 731 |  |  | 105 |  |  | 423 |  |  | 528 |
Australia | 219 |  |  | 329 |  |  | 548 |  |  | 202 |  |  | 324 |  |  | 526 |  |  | 204 |  |  | 292 |  |  | 496 |
Africa | 77 |  |  | 176 |  |  | 253 |  |  | 70 |  |  | 131 |  |  | 201 |  |  | 70 |  |  | 106 |  |  | 176 |
Asia | 20 |  |  | 122 |  |  | 142 |  |  | 18 |  |  | 134 |  |  | 152 |  |  | 17 |  |  | 152 |  |  | 169 |
Other countries | 57 |  |  | 168 |  |  | 225 |  |  | 57 |  |  | 104 |  |  | 161 |  |  | 58 |  |  | 96 |  |  | 154 |
Total revenue | $ | 5,581 |  |  | $ | 2,205 |  |  | $ | 7,786 |  |  | $ | 5,555 |  |  | $ | 2,155 |  |  | $ | 7,710 |  |  | $ | 5,119 |  |  | $ | 1,837 |  |  | $ | 6,956 |
Revenue by contract type was as follows:
|  |  |  |  | Year ended January 2, 2026 |  | Year ended January 3, 2025 |  | Year ended December 29, 2023
Dollars in millions |  |  |  |  |  |  |  |  |  |  |  |  | MTS |  | STS |  | Total |  | MTS |  | STS |  | Total |  | MTS |  | STS |  | Total
Cost-Reimbursable |  |  |  |  |  |  |  |  |  |  |  |  | $ | 3,305 |  |  | $ | — |  |  | $ | 3,305 |  |  | $ | 3,507 |  |  | $ | — |  |  | $ | 3,507 |  |  | $ | 3,287 |  |  | $ | — |  |  | $ | 3,287 |
Time-and-Materials |  |  |  |  |  |  |  |  |  |  |  |  | 938 |  |  | 1,373 |  |  | 2,311 |  |  | 892 |  |  | 1,362 |  |  | 2,254 |  |  | 846 |  |  | 1,166 |  |  | 2,012 |
Fixed Price |  |  |  |  |  |  |  |  |  |  |  |  | 1,338 |  |  | 832 |  |  | 2,170 |  |  | 1,156 |  |  | 793 |  |  | 1,949 |  |  | 986 |  |  | 671 |  |  | 1,657 |
Total revenue |  |  |  |  |  |  |  |  |  |  |  |  | $ | 5,581 |  |  | $ | 2,205 |  |  | $ | 7,786 |  |  | $ | 5,555 |  |  | $ | 2,155 |  |  | $ | 7,710 |  |  | $ | 5,119 |  |  | $ | 1,837 |  |  | $ | 6,956 |
Schedule of Accounts Receivable |
Dollars in millions | January 2, 2026 |  | January 3, 2025
Unbilled | $ | 520 |  |  | $ | 525 |
Trade & other | 566 |  |  | 541 |
Accounts receivable, net | $ | 1,086 |  |  | $ | 1,066 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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