CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Restricted Cash	$ 35.2	$ 43.1
Other Temporary Investments	206.8	215.4
Long-term Debt Due Within One Year	4,178.9	3,335.0
Long-term Debt	$ 38,810.9	$ 39,307.8
Common Stock – Par Value (in dollars per share)	$ 6.50	$ 6.50
Common Stock – Shares Authorized (in shares)	600,000,000	600,000,000
Common Stock – Shares Issued (in shares)	535,185,918	534,094,530
Shares were Held in Treasury (in shares)	1,186,815	1,186,815
Subsidiaries
Restricted Cash	$ 35.2	$ 43.1
Other Temporary Investments	194.8	206.7
Long-term Debt Due Within One Year	140.0	216.5
Long-term Debt	$ 830.3	$ 826.5