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BUSINESS SEGMENT INFORMATION - Revenues and Income From Continuing Operations by Segment (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 29, 2024 | Mar. 31, 2023
Segment Reporting Information [Line Items] |  |  |
Revenue |  | $ 5,211 | $ 4,471
Segment operating income (loss) |  | 378 | 393
Non-service FAS pension income and other, net | [1] | 88 | 82
Interest expense, net |  | (176) | (102)
Income from continuing operations before income taxes |  | 290 | 373
Pension |  |  |
Segment Reporting Information [Line Items] |  |  |
FAS pension service cost |  | (8) | (6)
Non-service FAS pension income |  | (74) | (70)
Pension | Plans Under US Government Contracts |  |  |
Segment Reporting Information [Line Items] |  |  |
FAS pension service cost |  | (8) | (6)
Less: CAS pension cost |  | (15) | (28)
FAS/CAS operating adjustment |  | 7 | 22
Non-service FAS pension income |  | 80 | 77
FAS/CAS pension adjustment, net |  | 87 | 99
Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment operating income (loss) |  | 788 | 638
Operating segments | SAS |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue |  | 1,751 | 1,655
Segment operating income (loss) |  | 216 | 187
Operating segments | IMS |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue |  | 1,669 | 1,700
Segment operating income (loss) |  | 190 | 185
Operating segments | CS |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue |  | 1,294 | 1,163
Segment operating income (loss) |  | 310 | 266
Operating segments | AR |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue |  | 542 |
Segment operating income (loss) |  | 72 |
Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue |  | (45) | (47)
Segment operating income (loss) |  | $ (410) | $ (245)
[1] | “FAS” is defined as Financial Accounting Standards.

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