Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2025

Equity [Abstract]

Schedule of Changes in AOCI balance by Component

	Pension and Other Post-Employment Benefits		Interest Rate Derivatives		Other		Accumulated Other Comprehensive (Loss) Income
(Dollars in Millions)
Balance December 31, 2024, Net of Tax	$	(349)	$	153	$	(36)	$	(232)
Other Comprehensive Income (Loss)
Amounts Reclassified to Net Earnings	4		—		2		6
Tax Expense	(1)		—		—		(1)
Total Other Comprehensive Income	3		—		2		5
Balance March 31, 2025, Net of Tax	$	(346)	$	153	$	(34)	$	(227)