Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2019

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 on the condensed consolidated balance sheets:

	At March 31,		At December 31,		Increase / (Decrease)
(dollars in millions)	2019		2018
Cash and cash equivalents	$	2,322	$	2,745	$	(423	)
Restricted cash:
Prepaid expenses and other	1,091		1,047		44
Other assets	124		124		—
Cash, cash equivalents and restricted cash	$	3,537	$	3,916	$	(379	)

Schedule of Restricted Cash

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

	At March 31,		At December 31,		Increase / (Decrease)
(dollars in millions)	2019		2018
Cash and cash equivalents	$	2,322	$	2,745	$	(423	)
Restricted cash:
Prepaid expenses and other	1,091		1,047		44
Other assets	124		124		—
Cash, cash equivalents and restricted cash	$	3,537	$	3,916	$	(379	)

Schedule of New Accounting Pronouncements

The cumulative after-tax effect of the changes made to our condensed consolidated balance sheet for the adoption of Topic 842 were as follows:

(dollars in millions)	At December 31, 2018		Adjustments due to Topic 842			At January 1, 2019
Prepaid expenses and other	$	5,453	$	(329	)	$	5,124
Operating lease right-of-use assets	—		23,241			23,241
Other assets	11,717		(2,048		)	9,669
Accounts payable and accrued liabilities	22,501		(3		)	22,498
Other current liabilities	8,239		(2		)	8,237
Current operating lease liabilities	—		2,931			2,931
Deferred income taxes	33,795		139			33,934
Non-current operating lease liabilities	—		19,203			19,203
Other liabilities	13,922		(1,815		)	12,107
Retained earnings	43,542		410			43,952
Noncontrolling interests	1,565		1			1,566