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ACQUISITIONS, DIVESTITURES AND ASSET SALES - Narrative (Details) - USD ($) $ in Millions |  |  |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 06, 2023 | Jan. 03, 2023 | Dec. 17, 2022 | Nov. 22, 2022 | Jun. 30, 2023 | Jul. 01, 2022 | Jun. 30, 2023 | Jun. 30, 2023 | Jul. 01, 2022 | Dec. 30, 2022
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | $ 18,417 |  | $ 18,417 | $ 18,417 |  | $ 17,283
Business divestiture-related gains, net |  |  |  |  | 26 | $ 0 | 26 |  | $ 0 |
Proceeds from sales of businesses, net |  |  |  |  |  |  | 71 |  | 2 |
CS |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | 4,914 |  | 4,914 | 4,914 |  | $ 3,796
Viasat TDL |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 90 |  |  | 185 |
Secured Debt | Term loan, due November 21, 2025 (“Term Loan 2025”) |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument term |  |  |  | 3 years |  |  |  |  |  |
Secured Debt | Term loan, due November 21, 2025 (“Term Loan 2025”) | Line of Credit |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Debt issued |  |  |  | $ 2,250 | 2,250 |  | 2,250 | 2,250 |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Visual Information Solutions (VIS) Business |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash price on sale of business |  |  |  |  | 70 |  | 70 | 70 |  |
Business divestiture-related gains, net | $ 26 |  |  |  |  |  |  |  |  |
Proceeds from sales of businesses, net | 71 |  |  |  |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | IMS Segment Business And Asset |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sales of businesses, net | $ 20 |  |  |  |  |  |  |  |  |
Gain on sale of asset group |  |  |  |  |  |  | 8 |  |  |
Tactical Data Links (TDL) Product Line |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price |  | $ 1,958 |  |  |  |  |  |  |  |
Provision for loss on customer contracts |  |  |  |  | 86 |  | 86 | 86 |  |
Loss provision amortization expense |  |  |  |  | 6 |  | 14 |  |  |
Total liabilities assumed |  |  |  |  |  |  | 61 | 7 |  |
Revenue from amortization of off-market contract liability |  |  |  |  | 6 |  | 15 |  |  |
Future estimated revenue from the amortization of off-market contract liabilities, remainder of fiscal year |  |  |  |  | 18 |  | 18 | 18 |  |
Future estimated revenue from the amortization of off-market contract liabilities, year one |  |  |  |  | 21 |  | 21 | 21 |  |
Goodwill |  | $ 1,117 |  |  |  |  |  |  |  |
Net revenues from acquiree for the reporting period |  |  |  |  | 83 |  | 164 |  |  |
Earnings from acquiree for the reporting period |  |  |  |  | 22 | $ 20 | 48 |  | $ 25 |
Acquisition related costs |  |  |  |  | 23 |  | 54 |  |  |
Tactical Data Links (TDL) Product Line | CS |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | $ 1,117 |  | 1,117 | $ 1,117 |  |
Tactical Data Links (TDL) Product Line | Other Accrued Liabilities |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Total liabilities assumed |  |  |  |  |  |  | 33 |  |  |
Tactical Data Links (TDL) Product Line | Other Noncurrent Liabilities |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Total liabilities assumed |  |  |  |  |  |  | $ 28 |  |  |
Aerojet Rocketdyne Holdings, Inc. |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business combination, price of acquisition, expected |  |  | $ 4,700 |  |  |  |  |  |  |

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