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Pensions and Postretirement Benefits - Summary of Pension Plan Weighted-Average Asset Allocation (Details)
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]    
Target allocation 100.00%  
Weighted-average asset allocations 100.00% 100.00%
Equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Weighted-average asset allocations 61.00% 61.50%
Debt securities    
Defined Benefit Plan Disclosure [Line Items]    
Weighted-average asset allocations 17.00% 20.00%
Other    
Defined Benefit Plan Disclosure [Line Items]    
Weighted-average asset allocations 22.00% 18.50%
Minimum | Equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Target allocation 45.00%  
Minimum | Debt securities    
Defined Benefit Plan Disclosure [Line Items]    
Target allocation 15.00%  
Minimum | Other    
Defined Benefit Plan Disclosure [Line Items]    
Target allocation 0.00%  
Maximum | Equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Target allocation 75.00%  
Maximum | Debt securities    
Defined Benefit Plan Disclosure [Line Items]    
Target allocation 35.00%  
Maximum | Other    
Defined Benefit Plan Disclosure [Line Items]    
Target allocation 25.00%