Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination

The components of net other intangible assets were as follows:

	March 31, 2022						December 31, 2021
(Dollars in millions)	Gross Amount		Accumulated Amortization		Net Carrying Amount		Gross Amount		Accumulated Amortization		Net Carrying Amount
Other intangible assets:
Customer relationships	$	135	$	20	$	115	$	135	$	16	$	119
Other	57		18		39		57		16		41
Total other intangible assets	$	192	$	38	$	154	$	192	$	32	$	160

Finite-lived Intangible Assets Amortization Expense

For the three months ended March 31, 2022, we recorded amortization expense of $6 million. Assuming no future impairments of other intangible assets or additional acquisitions or dispositions, the following table presents the Company's future expected amortization expense for other intangible assets that will continue to be amortized as of March 31, 2022:

Years ended December 31, (Dollars in millions)	Other Intangible Assets
2022 (excluding the three months ended March 31, 2022)	$	18
2023	22
2024	20
2025	17
2026	30
2027 and thereafter	47
Total future amortization expense	$	154