Income Taxes (Tables)

9 Months Ended

Sep. 30, 2024

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets and Liabilities

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities at September 30, 2024 and December 31, 2023 are as follows:

(Dollars in millions)	September 30, 2024		December 31, 2023
Gross deferred tax assets	$	257	$	258
Less valuation allowance	23		21
Deferred tax assets	234		237
Deferred tax liabilities	116		118
Net deferred tax asset	$	118	$	119