Consolidated Condensed Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 970.3	$ (57.4)	$ 6,180.2	$ 3,050.7
Other comprehensive income, net of tax (Note 11)	103.7	3.8	52.2	59.7
Comprehensive income (loss)	$ 1,074.0	$ (53.6)	$ 6,232.4	$ 3,110.4