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Accounts Receivable, Net (Tables)
 6 Months Ended
Jun. 30, 2022
Receivables [Abstract]  
Schedule of Receivables, Net Accounts receivable, net consisted of the following:
(dollars in millions)June 30, 2022December 31, 2021
Accounts receivable$10,897 $10,136 
Allowance for expected credit losses(503)(475)
Total accounts receivable, net$10,394 $9,661