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Restructuring Charges and Asset Impairments (Tables)
12 Months Ended
Dec. 31, 2021
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Charges and Asset Impairments For the year ended December 31, 2020, we recorded restructuring charges and asset impairments as follows:
Dollars in millionsSeveranceLease AbandonmentOtherTotal Restructuring ChargesAsset ImpairmentsTotal Restructuring Charges & Asset Impairments
Government Solutions$$— $— $$$
Sustainable Technology Solutions29 39 47 86 
Other54 20 75 49 124 
Total$32 $58 $26 $116 $98 $214 
Schedule of Reconciliation of Beginning and Ending Restructuring Liability A reconciliation of the beginning and ending restructuring liability balances is provided in the following table.
Dollars in millionsSeveranceLease AbandonmentOtherTotal
Balance at January 1, 2021$15 $52 $24 $91 
   Lease restructuring charges related to operating lease liabilities— — 
   Cash payments / settlements during the period(9)(7)(5)(21)
   Currency translation and other adjustments(3)— (3)(6)
Balance at December 31, 2021$$47 $16 $66 

The restructuring liability at December 31, 2020 was $91 million, of which $32 million is included in other current liabilities and $59 million is included in other liabilities. A reconciliation of the beginning and ending restructuring liability balances is provided in the following table.
Dollars in millionsSeveranceLease AbandonmentOtherTotal
Balance at January 1, 2020$— $— $— $— 
   Restructuring charges accrued during the period32 58 26 $116 
   Lease restructuring charges related to operating lease liabilities— (4)— $(4)
   Cash payments / settlements during the period(16)(2)(3)$(21)
   Currency translation and other adjustments$(1)$— $$— 
Balance at December 31, 2020$15 $52 $24 $91