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Commitments and Contingencies (Tables)
 9 Months Ended
Sep. 30, 2022
Commitments and Contingencies Disclosure [Abstract]  
Summary Information Concerning our Recorded Obligations for Product Warranties and Product Performance Guarantees The following table summarizes information concerning our recorded obligations for product warranties and product performance guarantees.
Three Months Ended
September 30,		Nine Months Ended
September 30,
2022202120222021
(Dollars in millions)
Warranty and product performance guarantees at beginning of period$30 $32 $32 $14 
Accruals for warranties/guarantees issued during the year
3 5 10 16 
Settlement of warranty/guarantee claims
(2)(5)(10)(14)
Amounts reclassified from Liabilities subject to compromise
— — — 16 
Foreign currency translation(2)— (3)— 
Warranty and product performance guarantees at end of period
$29 $32 $29 $32