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Equity Method Investments and Variable Interest Entities (Narrative) (Details) $ in Millions | 2 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 26, 2026 USD ($) | Jan. 02, 2026 USD ($) vIE | Jan. 03, 2025 USD ($) | Dec. 29, 2023 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |
Number of VIEs | vIE |  | 3 |  |
Revenues |  | $ 7,786 | $ 7,710 | $ 6,956
BRIS | Equity Method Investments | Subsequent Event |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Cash contributed | $ 115 |  |  |
Corporate Joint Venture |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Revenues |  | $ 710 | $ 721 | $ 567
JKC Joint Venture |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Variable interest entity, ownership (as a percentage) |  | 30.00% |  |
Number of VIEs | vIE |  | 2 |  |
Aspire Defence Limited |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Term of contracted services portion of project (in years) |  | 35 years |  |
Plaquemines LNG project | Variable Interest Entity, Not Primary Beneficiary |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Variable interest entity, ownership (as a percentage) |  | 45.00% |  |
Affinity Flying Training Services Limited |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Variable interest entity, ownership (as a percentage) |  | 50.00% |  |
Affinity Capital Works |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Variable interest entity, ownership (as a percentage) |  | 50.00% |  |
Aspire Defence Limited |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Variable interest entity, ownership (as a percentage) |  | 45.00% |  |

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