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Basis of Presentation (Tables)
6 Months Ended
Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Cash and Cash Equivalents
Cash, cash equivalents and restricted cash are included in the following line items in the condensed consolidated balance sheets:
At June 30,At December 31,Increase / (Decrease)
(dollars in millions)
20242023
Cash and cash equivalents$2,432 $2,065 $367 
Restricted cash:
Prepaid expenses and other
1,354 1,244 110 
Other assets
108 188 (80)
Cash, cash equivalents and restricted cash$3,894 $3,497 $397 
Schedule of Restricted Cash
Cash, cash equivalents and restricted cash are included in the following line items in the condensed consolidated balance sheets:
At June 30,At December 31,Increase / (Decrease)
(dollars in millions)
20242023
Cash and cash equivalents$2,432 $2,065 $367 
Restricted cash:
Prepaid expenses and other
1,354 1,244 110 
Other assets
108 188 (80)
Cash, cash equivalents and restricted cash$3,894 $3,497 $397