Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 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 September 30,		At December 31,		Decrease
(dollars in millions)	2021		2020
Cash and cash equivalents	$	9,936	$	22,171	$	(12,235)
Restricted cash:
Prepaid expenses and other	1,074		1,195		(121)
Other assets	101		132		(31)
Cash, cash equivalents and restricted cash	$	11,111	$	23,498	$	(12,387)

Schedule of Restricted Cash

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

	At September 30,		At December 31,		Decrease
(dollars in millions)	2021		2020
Cash and cash equivalents	$	9,936	$	22,171	$	(12,235)
Restricted cash:
Prepaid expenses and other	1,074		1,195		(121)
Other assets	101		132		(31)
Cash, cash equivalents and restricted cash	$	11,111	$	23,498	$	(12,387)