Retirement Plans - Target Allocation Ranges (Details) - Pension Benefits	Jan. 02, 2021
Minimum | Domestic equity securities | U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	17.00%
Minimum | International equity securities | U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	8.00%
Minimum | Global equities | U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	5.00%
Minimum | Debt securities | U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	27.00%
Minimum | Debt securities | Non-U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	25.00%
Minimum | Real estate | U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	7.00%
Minimum | Real estate | Non-U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	0.00%
Minimum | Private investment partnerships | U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	5.00%
Minimum | Equity securities | Non-U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	55.00%
Maximum | Domestic equity securities | U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	33.00%
Maximum | International equity securities | U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	19.00%
Maximum | Global equities | U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	17.00%
Maximum | Debt securities | U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	38.00%
Maximum | Debt securities | Non-U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	45.00%
Maximum | Real estate | U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	13.00%
Maximum | Real estate | Non-U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	13.00%
Maximum | Private investment partnerships | U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	11.00%
Maximum | Equity securities | Non-U.S. Plan Assets
Target allocation ranges
Target plan asset allocations	75.00%