Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2025

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)	2025		2024
Cash and cash equivalents	$	3,435	$	4,194	$	(759)
Restricted cash:
Prepaid expenses and other	318		319		(1)
Other assets	131		122		9
Assets held for sale:
Prepaid expenses and other	47		—		47
Cash, cash equivalents and restricted cash	$	3,931	$	4,635	$	(704)

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)	2025		2024
Cash and cash equivalents	$	3,435	$	4,194	$	(759)
Restricted cash:
Prepaid expenses and other	318		319		(1)
Other assets	131		122		9
Assets held for sale:
Prepaid expenses and other	47		—		47
Cash, cash equivalents and restricted cash	$	3,931	$	4,635	$	(704)