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Pension and Other Postretirement Benefits - Schedule of Allocation of Plan Assets (Details)
Dec. 31, 2021
Dec. 31, 2020
Equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets, actual allocation percentage 41.00% 55.00%
Equity securities | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets, target allocation percentage 40.00% 40.00%
Equity securities | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets, target allocation percentage 60.00% 60.00%
Debt securities    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets, actual allocation percentage 47.00% 33.00%
Debt securities | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets, target allocation percentage 30.00% 40.00%
Debt securities | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets, target allocation percentage 50.00% 50.00%
Real estate    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets, actual allocation percentage 6.00% 6.00%
Real estate | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets, target allocation percentage 5.00% 5.00%
Real estate | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets, target allocation percentage 10.00% 10.00%
Other, primarily cash and cash equivalents, and hedge funds    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets, actual allocation percentage 6.00% 6.00%
Other, primarily cash and cash equivalents, and hedge funds | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets, target allocation percentage 5.00% 5.00%
Other, primarily cash and cash equivalents, and hedge funds | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets, target allocation percentage 10.00% 10.00%