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Other Financial Information
 12 Months Ended
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Other Financial Information Other Financial Information
Other Current Assets

The following table presents details of other current assets in our consolidated balance sheets:
 As of December 31,
 20212020
 (Dollars in millions)
Prepaid expenses$295 290 
Income tax receivable22 7 
Materials, supplies and inventory96 105 
Contract assets45 66 
Contract acquisition costs142 173 
Contract fulfillment costs106 114 
Note receivable56 — 
Receivable for sale of land56 — 
Other11 53 
Total other current assets(1)
$829 808 
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(1)As of December 31, 2021, other current assets exclude $126 million that have been reclassified as held for sale.

Included in accounts payable at December 31, 2021 and 2020 were $248 million and $329 million, respectively, associated with capital expenditures.