Supplemental Financial Information (Tables)

6 Months Ended

Jun. 30, 2020

Supplemental Financial Information [Abstract]

Schedule of Components of Accounts Receivable

In millions	June 30, 2020		December 31, 2019
Accounts receivable
Trade	$	1,266	$	1,482
Other	37		52
Accounts receivable, gross	1,303		1,534
Less: allowance for credit losses	(54)		(44)
Total accounts receivable, net	$	1,249	$	1,490

Schedule of Components of Inventory

The components of inventory are summarized as follows:.

In millions	June 30, 2020		December 31, 2019
Inventories
Work in process and raw materials	$	198	$	204
Finished goods	201		184
Service parts	383		396
Total inventories	$	782	$	784