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Variable Interest Entities (Tables)
9 Months Ended
Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Variable Interest Entities The carrying amounts and classification of assets and liabilities for variable interest entities in our Condensed Consolidated Balance Sheet are as follows:
(dollars in millions)September 30, 2021December 31, 2020
Current assets$7,026 $6,652 
Noncurrent assets826 868 
Total assets$7,852 $7,520 
Current liabilities$7,664 $7,365 
Noncurrent liabilities72 89 
Total liabilities$7,736 $7,454