Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

The following table presents activity related to goodwill and other intangible asset balances for the six months ended June 30, 2022.

	Goodwill		Intangible Assets
(Dollars in millions)	Net Carrying Amount		Cost		Accumulated Amortization		Net Carrying Amount		Total Goodwill and Other Intangible Assets - Net
Balance at December, 31, 2021	$	276	$	180	$	(5)	$	175	$	451
Additions	101		10		—		10		111
Amortization	—		—		(5)		(5)		(5)
Balance at June, 30, 2022	$	377	$	190	$	(10)	$	180	$	557