Pension ((Benefit)) (Details) - Pension Plan - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
U.S. Plan | Qualified Plan
Defined Benefit Plan, Net Periodic Benefit Cost
Service Cost	$ 13,400,000	$ 11,500,000
Interest Cost	13,900,000	13,500,000
Expected Return on Plan Assets	(28,900,000)	(25,300,000)
Amortization
Actuarial Loss (Gain)	1,900,000	400,000
Total Pension (Benefit) Expense	300,000	100,000
Contribution to pension plan	200,000,000	0
U.S. Plan | Non-Qualified Plan
Defined Benefit Plan, Net Periodic Benefit Cost
Service Cost	1,200,000	1,200,000
Interest Cost	1,200,000	1,300,000
Amortization
Actuarial Loss (Gain)	1,300,000	1,300,000
Total Pension (Benefit) Expense	3,700,000	3,800,000
Contribution to pension plan	8,000,000	16,500,000
Non-U.S. Plan
Defined Benefit Plan, Net Periodic Benefit Cost
Service Cost	500,000	300,000
Interest Cost	1,100,000	1,200,000
Expected Return on Plan Assets	(1,600,000)	(1,500,000)
Amortization
Actuarial Loss (Gain)	0	(100,000)
Total Pension (Benefit) Expense	$ 0	$ (100,000)