Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2024

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, 2023, Net of Tax (a)	$	(390)	$	150	$	(39)	$	(279)
Other Comprehensive Income (Loss)
Income Before Reclassifications	—		4		—		4
Amounts Reclassified to Net Earnings	8		—		1		9
Tax Expense	(2)		(1)		—		(3)
Total Other Comprehensive Income	6		3		1		10
Balance September 30, 2024, Net of Tax	$	(384)	$	153	$	(38)	$	(269)

(a) See Note 11, Revision of Prior Period Financial Statements.