(Millions) | | 2013 | | 2012 |
Other current assets | | | | |
Prepaid expenses and other | | $ | 602 | | $ | 555 |
Deferred income taxes | | | 502 | | | 472 |
Derivative assets-current | | | 76 | | | 49 |
Product and other insurance receivables | | | 99 | | | 125 |
| Total other current assets | | $ | 1,279 | | $ | 1,201 |
| | | | | | | |
Investments | | | | | | |
Equity method | | $ | 69 | | $ | 105 |
Cost method | | | 45 | | | 47 |
Other investments | | | 8 | | | 11 |
| Total investments | | $ | 122 | | $ | 163 |
| | | | | | | |
Property, plant and equipment - at cost | | | | | | |
Land | | $ | 411 | | $ | 413 |
Buildings and leasehold improvements | | | 7,062 | | | 6,975 |
Machinery and equipment | | | 14,665 | | | 14,190 |
Construction in progress | | | 772 | | | 791 |
Capital leases | | | 158 | | | 156 |
Gross property, plant and equipment | | | 23,068 | | | 22,525 |
Accumulated depreciation | | | (14,416) | | | (14,147) |
| Property, plant and equipment - net | | $ | 8,652 | | $ | 8,378 |
| | | | | | | |
Other assets | | | | | | |
Deferred income taxes | | $ | 360 | | $ | 578 |
Product and other insurance receivables | | | 96 | | | 139 |
Cash surrender value of life insurance policies | | | 236 | | | 230 |
Other assets | | | 288 | | | 270 |
| Total other assets | | $ | 980 | | $ | 1,217 |
| | | | | | | |
Other current liabilities | | | | | | |
Accrued trade payables | | $ | 547 | | $ | 516 |
Deferred income | | | 521 | | | 471 |
Derivative liabilities | | | 103 | | | 106 |
Dividends payable | | | 567 | | | ― |
Employee benefits and withholdings | | | 195 | | | 178 |
Product and other claims | | | 119 | | | 147 |
Property and other taxes | | | 88 | | | 87 |
Pension and postretirement benefits | | | 61 | | | 55 |
Deferred income taxes | | | 37 | | | 45 |
Other | | | 653 | | | 676 |
| Total other current liabilities | | $ | 2,891 | | $ | 2,281 |
| | | | | | | |
Other liabilities | | | | | | |
Long term income taxes payable | | $ | 472 | | $ | 454 |
Employee benefits | | | 315 | | | 332 |
Product and other claims | | | 314 | | | 314 |
Capital lease obligations | | | 58 | | | 71 |
Deferred income | | | 19 | | | 29 |
Deferred income taxes | | | 538 | | | 167 |
Other | | | 268 | | | 267 |
| Total other liabilities | | $ | 1,984 | | $ | 1,634 |