Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2022

Debt Disclosure [Abstract]

Long-Term Debt

	June 30,		December 31,
	2022		2021
	(Dollars in Millions)
0.650% Senior Notes, due 2023	$	698.3	$	697.4
4.250% Senior Notes, due 2024		398.6		398.3
7% Debentures, due 2025		124.6		124.6
3.450% Senior Notes, due 2027		298.1		297.9
3.500% Senior Notes, due 2027		496.7		496.4
2.500% Senior Notes, due 2030		471.8		491.1
2.400% Senior Notes, due 2031		888.2		891.8
6.25% Senior Notes, due 2037		228.3		228.3
4.250% Senior Notes, due 2047		590.1		592.1
3.200% Senior Notes, due 2051		849.6		882.9
Other notes		—		0.1
Total debt		5,044.3		5,100.9
Less: Current maturities		—		(0.1	)
Long-term debt	$	5,044.3	$	5,100.8