Pension Plans, Retirement Benefits and Savings Plans (Details) - Assumptions - United States [Member]	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Pension Plans [Member]
Defined benefit plan disclosure
Assumptions used to determine benefit obligations, cash balance interest crediting rate (percent)	4.01%	4.01%
Assumptions used to determine benefit obligations, future compensation increase rate (percent)	4.00%	4.00%
Pension Plans [Member] | Qualified Plan [Member]
Defined benefit plan disclosure
Assumptions used to determine benefit obligations, discount rate (percent)	5.69%	5.02%
Assumptions used to determine net periodic benefit cost, discount rate used to measure service cost (percent)	5.10%	5.27%
Assumptions used to determine net periodic benefit cost, discount rate used to measure interest cost (percent)	4.91%	5.18%
Assumptions used to determine net periodic benefit cost, expected long-term rate of return on assets (percent)	7.00%	7.00%
Pension Plans [Member] | Nonqualified Plan [Member]
Defined benefit plan disclosure
Assumptions used to determine benefit obligations, discount rate (percent)	5.51%	4.94%
Assumptions used to determine net periodic benefit cost, discount rate used to measure service cost (percent)	4.98%	5.16%
Assumptions used to determine net periodic benefit cost, discount rate used to measure interest cost (percent)	4.86%	5.11%
Postretirement Benefit Plans [Member]
Defined benefit plan disclosure
Assumptions used to determine benefit obligations, discount rate (percent)	5.48%	4.88%
Assumptions used to determine net periodic benefit cost, discount rate used to measure interest cost (percent)	4.84%	5.03%
Assumptions used to determine net periodic benefit cost, expected long-term rate of return on assets (percent)	4.00%	4.00%
Assumed health care cost trend rates, medical, following year (percent)	(18.04%)	(2.78%)
Assumed health care cost trend rates, rate to which the cost trend rate is assumed to decline (ultimate trend rate) (percent)	4.50%	4.50%
Assumed health care cost trend rates, medical, year that the rate reaches the ultimate trend rate	2033	2033
Assumed health care cost trend rates, following year, Company baseline (percent)	10.00%	8.00%