Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2021

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,		Decrease
(dollars in millions)	2021		2020
Cash and cash equivalents	$	10,205	$	22,171	$	(11,966)
Restricted cash:
Prepaid expenses and other	1,180		1,195		(15)
Other assets	110		132		(22)
Cash, cash equivalents and restricted cash	$	11,495	$	23,498	$	(12,003)

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,		Decrease
(dollars in millions)	2021		2020
Cash and cash equivalents	$	10,205	$	22,171	$	(11,966)
Restricted cash:
Prepaid expenses and other	1,180		1,195		(15)
Other assets	110		132		(22)
Cash, cash equivalents and restricted cash	$	11,495	$	23,498	$	(12,003)