Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The components of intangible assets were as follows:

	December 31, 2021
	Gross				Net
	Carrying		Accumulated		Intangible
(Dollars in millions)	Amount		Amortization		Assets
Developed and Acquired Technology	$	590	$	(247)	$	343
Trade Names	395		(81)		314
Totals	$	985	$	(328)	$	657
	December 31, 2020
	Gross				Net
	Carrying		Accumulated		Intangible
(Dollars in millions)	Amount		Amortization		Assets
Developed and Acquired Technology	$	588	$	(132)	$	456
Trade Names	395		(41)		354
Totals	$	983	$	(173)	$	810

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

amortization expense for the subsequent five years is estimated as follows (dollars in millions): 

Period	Amount
2022	$	157
2023	157
2024	145
2025	41
2026	41