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Commitments and Contingencies (Tables) | 6 Months Ended
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Jun. 30, 2017
Commitments and Contingencies Disclosure [Abstract] |
Product Warranty Reserves | The following table summarizes the changes in total product warranty and legacy product warranty liability reserves for the periods presented:
|  | Product Warranty |  | Legacy Product Warranty |  | Total
Millions of dollars |  | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016
Balance at January 1 |  | $ | 251 |  |  | $ | 239 |  |  | $ | 69 |  |  | $ | 254 |  |  | $ | 320 |  |  | $ | 493 |
Issuances/accruals during the period |  | 158 |  |  | 159 |  |  | 1 |  |  | — |  |  | 159 |  |  | 159 |
Settlements made during the period/other |  | (154 | ) |  | (153 | ) |  | (47 | ) |  | (101 | ) |  | (201 | ) |  | (254 | )
Balance at June 30 |  | $ | 255 |  |  | $ | 245 |  |  | $ | 23 |  |  | $ | 153 |  |  | $ | 278 |  |  | $ | 398 |
Current portion |  | $ | 189 |  |  | $ | 186 |  |  | $ | 23 |  |  | $ | 131 |  |  | $ | 212 |  |  | $ | 317 |
Non-current portion |  | 66 |  |  | 59 |  |  | — |  |  | 22 |  |  | 66 |  |  | 81 |
Total |  | $ | 255 |  |  | $ | 245 |  |  | $ | 23 |  |  | $ | 153 |  |  | $ | 278 |  |  | $ | 398 |

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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