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Supplemental Financial Information (Tables)

9 Months Ended

Sep. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Supplemental Financial Information


			As of
In millions			September 30, 2021						December 31, 2020
Inventories
Finished goods			$	7					$	18
Service parts			10						11
Total inventories			$	17					$	29

Deferred revenue
Deferred revenue, current			$	464					$	499
Long-term deferred revenue			28						38
Total deferred revenue			$	492					$	537