Employee and Retiree Benefit Plans - Weighted-Average Assumptions used in Measurement of Benefit Obligations and Net Periodic Benefit Expense (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets	4.00%
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Benefit obligations, discount rate	2.54%	2.25%
Net periodic benefit expense, discount rate	2.24%	2.75%
Benefit obligation, expected return on Plan assets	4.25%	4.43%
Expected return on plan assets	4.25%	4.43%
Benefit obligation, rate of compensation increase	3.04%	3.04%
Net periodic benefit expense, rate of compensation increase	3.04%	3.28%
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Benefit obligations, discount rate	2.86%	2.50%
Net periodic benefit expense, discount rate	2.51%	3.16%
Benefit obligation, expected return on Plan assets	0.00%	0.00%
Expected return on plan assets	0.00%	0.00%
Benefit obligation, rate of compensation increase	0.00%	0.00%
Net periodic benefit expense, rate of compensation increase	0.00%	0.00%