XML 120 R104.htm IDEA: XBRL DOCUMENT v3.22.0.1
Benefit Plans - Weighted Average Expected Long-Term Rate of Return (Details) - Pension Plans
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 29, 2019
Primary Plan        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of Plan Assets at Fiscal Year-End   100.00% 100.00%  
Weighted Average Expected Long-Term Rate of Return - 2022   4.75% 5.50% 5.00%
Primary Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Target Allocation 2022 100.00%      
Weighted Average Expected Long-Term Rate of Return - 2022 3.00%      
Bargaining Plan        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of Plan Assets at Fiscal Year-End   100.00% 100.00%  
Weighted Average Expected Long-Term Rate of Return - 2022   5.75% 6.25% 5.25%
Bargaining Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Target Allocation 2022 100.00%      
Weighted Average Expected Long-Term Rate of Return - 2022 5.50%      
U.S. debt securities | Primary Plan        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of Plan Assets at Fiscal Year-End   87.00% 58.00%  
U.S. debt securities | Primary Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Target Allocation 2022 98.00%      
Weighted Average Expected Long-Term Rate of Return - 2022 2.94%      
U.S. debt securities | Bargaining Plan        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of Plan Assets at Fiscal Year-End   46.00% 46.00%  
U.S. debt securities | Bargaining Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Target Allocation 2022 41.00%      
Weighted Average Expected Long-Term Rate of Return - 2022 2.26%      
U.S. equity securities | Primary Plan        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of Plan Assets at Fiscal Year-End   0.00% 24.00%  
U.S. equity securities | Primary Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Target Allocation 2022 0.00%      
Weighted Average Expected Long-Term Rate of Return - 2022 0.00%      
U.S. equity securities | Bargaining Plan        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of Plan Assets at Fiscal Year-End   40.00% 39.00%  
U.S. equity securities | Bargaining Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Target Allocation 2022 47.00%      
Weighted Average Expected Long-Term Rate of Return - 2022 2.59%      
International debt securities | Primary Plan        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of Plan Assets at Fiscal Year-End   10.00% 8.00%  
International debt securities | Primary Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Target Allocation 2022 0.00%      
Weighted Average Expected Long-Term Rate of Return - 2022 0.00%      
International debt securities | Bargaining Plan        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of Plan Assets at Fiscal Year-End   2.00% 2.00%  
International debt securities | Bargaining Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Target Allocation 2022 0.00%      
Weighted Average Expected Long-Term Rate of Return - 2022 0.00%      
International equity securities | Primary Plan        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of Plan Assets at Fiscal Year-End   0.00% 8.00%  
International equity securities | Primary Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Target Allocation 2022 0.00%      
Weighted Average Expected Long-Term Rate of Return - 2022 0.00%      
International equity securities | Bargaining Plan        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of Plan Assets at Fiscal Year-End   11.00% 12.00%  
International equity securities | Bargaining Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Target Allocation 2022 11.00%      
Weighted Average Expected Long-Term Rate of Return - 2022 0.59%      
Cash and cash equivalents | Primary Plan        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of Plan Assets at Fiscal Year-End   3.00% 2.00%  
Cash and cash equivalents | Primary Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Target Allocation 2022 2.00%      
Weighted Average Expected Long-Term Rate of Return - 2022 0.06%      
Cash and cash equivalents | Bargaining Plan        
Defined Benefit Plan Disclosure [Line Items]        
Percentage of Plan Assets at Fiscal Year-End   1.00% 1.00%  
Cash and cash equivalents | Bargaining Plan | Forecast        
Defined Benefit Plan Disclosure [Line Items]        
Target Allocation 2022 1.00%      
Weighted Average Expected Long-Term Rate of Return - 2022 0.06%