Benefit Plans, Weighted Average Asset Allocation Percentages (Details)	Dec. 31, 2022	Dec. 31, 2021
Weighted Average Asset Allocations [Abstract]
Weighted average asset allocation percentage	100.00%	100.00%
Equity Securities [Member]
Weighted Average Asset Allocations [Abstract]
Weighted average asset allocation percentage	54.30%	54.20%
Fixed Income Securities [Member]
Weighted Average Asset Allocations [Abstract]
Weighted average asset allocation percentage	32.20%	30.60%
Real Estate [Member]
Weighted Average Asset Allocations [Abstract]
Weighted average asset allocation percentage	0.30%	0.30%
Other [Member]
Weighted Average Asset Allocations [Abstract]
Weighted average asset allocation percentage	13.20%	14.90%