Pension and Postretirement Benefit Obligations - Narrative (Details) - Pension Plans $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) benefit_plan
Defined Benefit Plan Disclosure [Line Items]
Number of company-sponsored pension plans | benefit_plan	2
Employer contributions	$ 0
Primary Plan | Minimum
Defined Benefit Plan Disclosure [Line Items]
Employer contributions for the remainder of the year	5
Primary Plan | Maximum
Defined Benefit Plan Disclosure [Line Items]
Employer contributions for the remainder of the year	10
Bargaining Plan | Minimum
Defined Benefit Plan Disclosure [Line Items]
Employer contributions for the remainder of the year	5
Bargaining Plan | Maximum
Defined Benefit Plan Disclosure [Line Items]
Employer contributions for the remainder of the year	$ 10