| Balance Sheet Details |
Balance Sheet Details Balance sheet details were as follows: Inventory | | | | | | | | | | As of | | July 31, 2018 | | October 31, 2017 | | In millions | Finished goods | $ | 1,382 |
| | $ | 1,236 |
| Purchased parts and fabricated assemblies | 1,389 |
| | 1,079 |
| Total | $ | 2,771 |
| | $ | 2,315 |
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For the nine months ended July 31, 2018, the increase in inventory was due primarily to higher levels of strategic commodities inventory to support customer demand, increases in memory component costs, and higher inventory of server solutions which have longer time-to-shipment cycles. Property, Plant and Equipment | | | | | | | | | | As of | | July 31, 2018 | | October 31, 2017 | | In millions | Land | $ | 296 |
| | $ | 312 |
| Buildings and leasehold improvements | 2,260 |
| | 2,371 |
| Machinery and equipment, including equipment held for lease | 9,577 |
| | 9,194 |
| | 12,133 |
| | 11,877 |
| Accumulated depreciation | (5,949 | ) | | (5,608 | ) | Total | $ | 6,184 |
| | $ | 6,269 |
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Notes Payable and Short-Term Borrowings | | | | | | | | | | As of | | July 31, 2018 | | October 31, 2017 | | In millions | Current portion of long-term debt | $ | 1,402 |
| | $ | 3,005 |
| FS commercial paper | 442 |
| | 401 |
| Notes payable to banks, lines of credit and other(1) | 482 |
| | 444 |
| Total | $ | 2,326 |
| | $ | 3,850 |
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| | (1) | As of July 31, 2018 and October 31, 2017, notes payable to banks, lines of credit and other includes $369 million and $390 million, respectively, of borrowing and funding-related activity associated with FS and its subsidiaries and $113 million and $52 million, respectively, of receivables transferred under factoring arrangements, recorded as short-term borrowings. |
Warranties The Company's aggregate product warranty liability as of July 31, 2018, and changes during the nine months ended July 31, 2018 were as follows: | | | | | | Nine Months Ended July 31, 2018 | | In millions | Balance at beginning of period | $ | 475 |
| Accruals for warranties issued | 201 |
| Adjustments related to pre-existing warranties | (6 | ) | Settlements made | (230 | ) | Balance at end of period | $ | 440 |
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