Employee Benefit Plans (Target and Actual Asset Allocation for Pension Plan by Asset Category) (Details) - Employee Pension Plans	Dec. 31, 2022	Dec. 31, 2021
Pension Plan Assets
Target asset allocation (as a percent)	100.00%
Actual asset allocation (as a percent)	100.00%	100.00%
Cash
Pension Plan Assets
Target asset allocation (as a percent)	5.00%
Actual asset allocation (as a percent)	5.00%	4.00%
Domestic Equity Funds
Pension Plan Assets
Target asset allocation (as a percent)	45.00%
Actual asset allocation (as a percent)	46.00%	47.00%
International Equity Funds
Pension Plan Assets
Target asset allocation (as a percent)	20.00%
Actual asset allocation (as a percent)	20.00%	16.00%
Fixed income funds
Pension Plan Assets
Target asset allocation (as a percent)	30.00%
Actual asset allocation (as a percent)	29.00%	33.00%