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Supplemental Financial Information | 12 Months Ended
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Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Supplemental Financial Information | Supplemental Financial Information
| At December 31
In millions | 2014 |  | 2013
Accounts receivable |  |  |
Trade | $ | 635 |  |  | $ | 731 |
Other | 3 |  |  | 4 |
Accounts receivable, gross | 638 |  |  | 735 |
Less: allowance for doubtful accounts | (19 | ) |  | (18 | )
Total accounts receivable, net | $ | 619 |  |  | $ | 717 |
Inventories |  |  |
Finished goods | $ | 21 |  |  | $ | 39 |
Service parts | 17 |  |  | 17 |
Total inventories | $ | 38 |  |  | $ | 56 |
Other current assets |  |  |
Current deferred tax assets | $ | 28 |  |  | $ | 34 |
Other | 53 |  |  | 61 |
Total other current assets | $ | 81 |  |  | $ | 95 |
Property and equipment |  |  |
Land | $ | 8 |  |  | $ | 8 |
Buildings and improvements | 77 |  |  | 74 |
Machinery and other equipment | 341 |  |  | 309 |
Property and equipment, gross | 426 |  |  | 391 |
Less: accumulated depreciation | (267 | ) |  | (230 | )
Total property and equipment, net | $ | 159 |  |  | $ | 161 |
Other assets |  |  |
Available-for-sale securities | $ | 78 |  |  | $ | — |
Other | 20 |  |  | 58 |
Total other assets | $ | 98 |  |  | $ | 58 |
Other current liabilities |  |  |
Sales and value-added taxes | $ | 40 |  |  | $ | 34 |
Other | 61 |  |  | 76 |
Total other current liabilities | $ | 101 |  |  | $ | 110 |
Deferred revenue |  |  |
Deferred revenue, current | $ | 370 |  |  | $ | 390 |
Long-term deferred revenue | 18 |  |  | 25 |
Total deferred revenue | $ | 388 |  |  | $ | 415 |

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