XML 87 R69.htm IDEA: XBRL DOCUMENT v3.22.2.2
Intangible Assets (Tables)
 6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]    
Schedule of Finite-Lived Intangible Assets
The following disclosure presents certain information regarding the Company's intangible assets as of June 30, 2022 and December 31, 2021. All intangible assets are being amortized over their estimated useful lives, as indicated below, with no estimated residual values.
June 30, 2022December 31, 2021
(Dollars in millions)Gross Carrying AmountAccumulated AmortizationNet Carrying AmountGross Carrying AmountAccumulated AmortizationNet Carrying Amount
Customer relationships$957 $(913)$44 $957 $(908)$49 
Patents and licenses9 (6)3 9 (6)3 
Total intangible assets
$966 $(919)$47 $966 $(914)$52 
 The following disclosure presents certain information regarding the Company's intangible assets as of December 31, 2021 and 2020. All intangible assets are being amortized over their estimated useful lives, as indicated below, with no estimated residual values.
December 31, 2021December 31, 2020
(Dollars in millions)Gross
 Carrying
Amount		Accumulated AmortizationNet Carrying AmountGross
Carrying
 Amount		Accumulated AmortizationNet Carrying Amount
Customer relationships$957 $(908)$49 $957 $(899)$58 
Patents and licenses9 (6)3 7 (5)2 
Total intangible assets
$966 $(914)$52 $964 $(904)$60 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense   The estimated annual amortization expense related to intangible assets for the subsequent five years is as follows:
(in millions)
Year Ending December 31,		Estimated
 Annual Amortization
2022$9 
20239 
20249 
20259 
20269