Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 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	8		—		3		11
Tax Expense	(2)		—		(1)		(3)
Total Other Comprehensive Income	6		—		2		8
Balance June 30, 2025, Net of Tax	$	(343)	$	153	$	(34)	$	(224)