Supplemental Financial Information (Tables)

9 Months Ended

Sep. 30, 2021

Supplemental Financial Information [Abstract]

Schedule of Components of Accounts Receivable

The components of accounts receivable are summarized as follows:

In millions	September 30, 2021		December 31, 2020
Accounts receivable
Trade	$	947	$	1,120
Other	27		48
Accounts receivable, gross	974		1,168
Less: allowance for credit losses	(31)		(51)
Total accounts receivable, net	$	943	$	1,117

Schedule of Components of Inventory

The components of inventory are summarized as follows:

In millions	September 30, 2021		December 31, 2020
Inventories
Work in process and raw materials	$	171	$	133
Finished goods	206		135
Service parts	370		333
Total inventories	$	747	$	601