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Employee Benefits - Components of Plan Benefit Expense Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Oct. 01, 2022 | Sep. 30, 2023 | Oct. 01, 2022 | May 31, 2023
U.S. and Canada | Other Nonpension Postretirement |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Recognized net (gain) loss | $ (67) | $ 0 | $ (67) | $ 0 |
Global Plans | Pension |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Recognized net (gain) loss | 10 | (15) | 10 | (46) |
Global Plans | Postemployment |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Recognized net (gain) loss | (1) | 0 | (2) | (2) |
UNITED STATES | Pension |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Recognized net (gain) loss | $ 10 | $ (15) | $ 10 | $ (46) |
UNITED KINGDOM | Pension | Buy In Annuity Contract |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Defined Benefit Plan, Plan Assets, Amount |  |  |  |  | $ 590

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