Employee Retirement Plans and Postretirement Benefits - Target And Actual Allocations (Details)	Dec. 31, 2023
Equities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocations	7.20%
Actual allocations	7.80%
Fixed income
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocations	74.20%
Actual allocations	72.20%
Real estate
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocations	4.70%
Actual allocations	4.80%
Annuities and longevity swap
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocations	13.40%
Actual allocations	13.40%
Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocations	0.50%
Actual allocations	1.80%