Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 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 March 31,		At December 31,		Increase / (Decrease)
(dollars in millions)	2025		2024
Cash and cash equivalents	$	2,257	$	4,194	$	(1,937)
Restricted cash:
Prepaid expenses and other	329		319		10
Other assets	136		122		14
Assets held for sale:
Prepaid expenses and other	50		—		50
Cash, cash equivalents and restricted cash	$	2,772	$	4,635	$	(1,863)

Schedule of Restricted Cash

Cash, cash equivalents and restricted cash are included in the following line items in the condensed consolidated balance sheets:

	At March 31,		At December 31,		Increase / (Decrease)
(dollars in millions)	2025		2024
Cash and cash equivalents	$	2,257	$	4,194	$	(1,937)
Restricted cash:
Prepaid expenses and other	329		319		10
Other assets	136		122		14
Assets held for sale:
Prepaid expenses and other	50		—		50
Cash, cash equivalents and restricted cash	$	2,772	$	4,635	$	(1,863)