Employee and Retiree Benefit Plans - Weighted Average Asset Allocation for Funded Pension Benefit Plans (Details)	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation	100.00%	100.00%
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation	60.90%	58.10%
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation	21.70%	24.00%
Alternatives
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation	13.50%	13.20%
Cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation	3.90%	4.70%