v3.22.4
Pension and Other Postretirement Benefits - Assumed Health Care Cost Trend Rates (Details) - Other postretirement benefits - United States
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]    
Health care cost trend rate assumed for next year 6.30% 4.50%
Rate to which the cost trend rate gradually declines 4.50% 4.70%
Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate 2029 2027