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Employee Benefit Plans - Additional Information (Details) - USD ($) |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Jan. 01, 2022 | Dec. 31, 2021 | Oct. 02, 2022 | Oct. 03, 2021 | Jul. 04, 2021 | Oct. 02, 2022 | Oct. 03, 2021
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |
Contributions |  |  |  |  |  | $ 11,600,000 | $ 142,615,000
Expected contributions for remainder of fiscal year |  |  | $ 4,100,000 |  |  | $ 4,100,000 |
Inactive Plan |  |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |
Contributions |  |  |  |  | $ 133,000,000 |  |
Sonoco Savings Plan |  |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |
Contribution percentage minimum (percent) |  |  |  |  |  | 1.00% |
Contribution percentage maximum (percent) |  |  |  |  |  | 100.00% |
Defined contribution plan, employer matching contribution (percent) | 100.00% | 50.00% |  |  |  |  |
Employer matching contribution, percent of employees' gross pay (percent) | 6.00% | 4.00% |  |  |  |  |
Pension Plan |  |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |
Settlement losses recognized |  |  | 0 | $ 21,000 |  | $ 430,000 | 547,652,000
Pension Plan | Sonoco Pension Plan for Inactive Participants |  |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |
Settlement losses recognized |  |  |  |  |  | 430,000 | 361,000
Non-cash settlement charges expected to be incurred next year |  |  |  |  | $ 547,291,000 |  |
Pension Plan | Sonoco Retirement Contribution |  |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |
Contributions |  |  |  |  |  | 21,948,000 | 22,665,000
Expected contributions for remainder of fiscal year |  |  | $ 0 |  |  | $ 0 |
Recognized expense related to the plan |  |  |  | $ 5,456,000 |  |  | $ 17,290,000
Pension Plan | Sonoco Retirement Contribution | United States |  |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |
Employer matching contribution, percent of employees' gross pay (percent) |  |  |  |  |  | 4.00% |
Employer matching contribution, percent of employees' gross pay in excess of social security (percent) |  |  |  |  |  | 4.00% |

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- Definition Defined Contribution Plan Contribution Percentage Maximum + References No definition available. + Details
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