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v3.21.2

Supplemental Financial Information (Tables) | 6 Months Ended
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Jun. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Supplemental Financial Information |
| As of
In millions | June 30, 2021 |  | December 31, 2020
Inventories |  |  |
Finished goods | $ | 10 |  |  | $ | 18 |
Service parts | 10 |  |  | 11 |
Total inventories | $ | 20 |  |  | $ | 29 |
Deferred revenue |  |  |
Deferred revenue, current | $ | 544 |  |  | $ | 499 |
Long-term deferred revenue | 41 |  |  | 38 |
Total deferred revenue | $ | 585 |  |  | $ | 537 |

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