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Goodwill and Intangible Assets, Net Goodwill Table (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Jan. 01, 2018 | Jan. 01, 2017
Goodwill [Line Items] |  |  |  |
Gross carrying amount of goodwill | $ 334 | $ 327 | $ 327 | $ 324
Goodwill arising from acquisitions | 8 | 3 |  |
Foreign exchange adjustments to goodwill | (1) | 0 |  |
Accumulated impairment of goodwill | (87) | 0 | 0 | 0
Impairment of goodwill | (87) | 0 |  |
Net carrying value of goodwill | 247 | 327 |  |
Automotive Segment |  |  |  |
Goodwill [Line Items] |  |  |  |
Gross carrying amount of goodwill | 328 | 320 | 320 | 320
Goodwill arising from acquisitions | 8 | 0 |  |
Foreign exchange adjustments to goodwill | 0 | 0 |  |
Accumulated impairment of goodwill | (87) | 0 | 0 | 0
Impairment of goodwill | (87) | 0 |  |
Net carrying value of goodwill | 241 | 320 |  |
Food Packaging Segment |  |  |  |
Goodwill [Line Items] |  |  |  |
Gross carrying amount of goodwill | 6 | 7 | 7 | 4
Goodwill arising from acquisitions | 0 | 3 |  |
Foreign exchange adjustments to goodwill | (1) | 0 |  |
Accumulated impairment of goodwill | 0 | 0 | $ 0 | $ 0
Impairment of goodwill | 0 | 0 |  |
Net carrying value of goodwill | $ 6 | $ 7 |  |

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