Supplemental Financial Information (Tables)

3 Months Ended

Mar. 31, 2021

Supplemental Financial Information [Abstract]

Schedule of Components of Accounts Receivable

The components of accounts receivable are summarized as follows:

In millions	March 31, 2021		December 31, 2020
Accounts receivable
Trade	$	1,207	$	1,120
Other	44		48
Accounts receivable, gross	1,251		1,168
Less: allowance for credit losses	(39)		(51)
Total accounts receivable, net	$	1,212	$	1,117

Schedule of Components of Inventory

The components of inventory are summarized as follows:

In millions	March 31, 2021		December 31, 2020
Inventories
Work in process and raw materials	$	130	$	133
Finished goods	166		135
Service parts	338		333
Total inventories	$	634	$	601