Supplemental Financial Information (Tables)

9 Months Ended

Sep. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Supplemental Financial Information

	As of
In millions	September 30, 2019		December 31, 2018
Inventories
Finished goods	$	24	$	16
Service parts	12		12
Total inventories	$	36	$	28
Deferred revenue
Deferred revenue, current	$	408	$	490
Long-term deferred revenue	68		105
Total deferred revenue	$	476	$	595