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Supplemental Financial Information (Tables) | 12 Months Ended
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Dec. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Supplemental Financial Information |
| At December 31
In millions | 2016 |  | 2015
Accounts receivable |  |  |
Trade | $ | 561 |  |  | $ | 591 |
Other | 6 |  |  | 6 |
Accounts receivable, gross | 567 |  |  | 597 |
Less: allowance for doubtful accounts | (19 | ) |  | (17 | )
Total accounts receivable, net | $ | 548 |  |  | $ | 580 |
Inventories |  |  |
Finished goods | $ | 20 |  |  | $ | 32 |
Service parts | 14 |  |  | 17 |
Total inventories | $ | 34 |  |  | $ | 49 |
Property and equipment |  |  |
Land | $ | 8 |  |  | $ | 8 |
Buildings and improvements | 77 |  |  | 78 |
Machinery and other equipment | 354 |  |  | 336 |
Property and equipment, gross | 439 |  |  | 422 |
Less: accumulated depreciation | (301 | ) |  | (279 | )
Total property and equipment, net | $ | 138 |  |  | $ | 143 |
Other current liabilities |  |  |
Sales and value-added taxes | $ | 28 |  |  | $ | 35 |
Pension and other postemployment plan liabilities | 7 |  |  | 17 |
Other | 53 |  |  | 50 |
Total other current liabilities | $ | 88 |  |  | $ | 102 |
Deferred revenue |  |  |
Deferred revenue, current | $ | 369 |  |  | $ | 367 |
Long-term deferred revenue | 14 |  |  | 15 |
Total deferred revenue | $ | 383 |  |  | $ | 382 |
Above amounts exclude assets and liabilities held for sale. Refer to Note 15 for further information on the Company's assets and liabilities held for sale.

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