Retirement Plans - Narrative (Details) - Pension Plan - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
Estimated social security benefits age	65 years
Nonqualified Plan
Defined Benefit Plan Disclosure [Line Items]
Pension plan contribution		$ 5
Defined benefit plan, expected future employer contributions, current fiscal year	$ 5