v3.3.1.900

Intangible Assets and Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2015
Goodwill [Line Items] |
Schedule of Acquired Finite and Infinite-Lived Intangible Assets and Goodwill by Major Class | The changes in the carrying amount of intangible assets and goodwill were as follows as of December 31, 2015 and 2014. See Note 20. Acquisitions and Divestitures for a further description of the goodwill and intangible assets resulting from Delphi's acquisitions in 2015 and 2014.
|  |  | As of December 31, 2015 |  | As of December 31, 2014
| Estimated Useful Lives |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Years) |  | (in millions) |  | (in millions)
Amortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Patents and developed technology | 6-15 |  | $ | 745 |  |  | $ | 279 |  |  | $ | 466 |  |  | $ | 633 |  |  | $ | 229 |  |  | $ | 404 |
Customer relationships | 4-14 |  | 861 |  |  | 171 |  |  | 690 |  |  | 394 |  |  | 143 |  |  | 251 |
Trade names | 5-20 |  | 105 |  |  | 30 |  |  | 75 |  |  | 99 |  |  | 26 |  |  | 73 |
Total |  |  | 1,711 |  |  | 480 |  |  | 1,231 |  |  | 1,126 |  |  | 398 |  |  | 728 |
Unamortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |
In-process research and development | — |  | 24 |  |  | — |  |  | 24 |  |  | — |  |  | — |  |  | — |
Trade names | — |  | 128 |  |  | — |  |  | 128 |  |  | — |  |  | — |  |  | — |
Goodwill | — |  | 1,539 |  |  | — |  |  | 1,539 |  |  | 656 |  |  | — |  |  | 656 |
Total |  |  | $ | 3,402 |  |  | $ | 480 |  |  | $ | 2,922 |  |  | $ | 1,782 |  |  | $ | 398 |  |  | $ | 1,384 |
Schedule of Finite-Lived Intangible Assets Amortization Expense | Estimated amortization expense for the years ending December 31, 2016, 2017, 2018, 2019 and 2020 is presented below:
| Year Ending December 31,
| 2016 |  | 2017 |  | 2018 |  | 2019 |  | 2020
| (in millions)
Estimated amortization expense | $ | 136 |  |  | $ | 134 |  |  | $ | 129 |  |  | $ | 117 |  |  | $ | 116 |
Schedule of Gross Carrying Amounts of Intangible Assets and Goodwill | A roll-forward of the gross carrying amounts of intangible assets for the years ended December 31, 2015 and 2014 is presented below.
| 2015 |  | 2014
| (in millions)
Balance at January 1 | $ | 1,782 |  |  | $ | 1,516 |
Acquisitions (1) | 1,701 |  |  | 384 |
Foreign currency translation and other | (81 | ) |  | (118 | )
Balance at December 31 | $ | 3,402 |  |  | $ | 1,782 |
Schedule of Accumulated Amortization of Intangible Assets and Goodwill | A roll-forward of the accumulated amortization for the years ended December 31, 2015 and 2014 is presented below:
| 2015 |  | 2014
| (in millions)
Balance at January 1 | $ | 398 |  |  | $ | 322 |
Amortization | 93 |  |  | 94 |
Foreign currency translation and other | (11 | ) |  | (18 | )
Balance at December 31 | $ | 480 |  |  | $ | 398 |
Schedule of Goodwill | A roll-forward of the carrying amount of goodwill, by operating segment, for the years ended December 31, 2015 and 2014 is presented below:
| Electrical/Electronic Architecture |  | Powertrain Systems |  | Electronics and Safety |  | Total
| (in millions)
Balance at January 1, 2014 | $ | 487 |  |  | $ | 9 |  |  | $ | — |  |  | $ | 496 |
Acquisitions (1) | 223 |  |  | — |  |  | — |  |  | 223 |
Foreign currency translation and other | (62 | ) |  | (1 | ) |  | — |  |  | (63 | )
Balance at December 31, 2014 | $ | 648 |  |  | $ | 8 |  |  | $ | — |  |  | $ | 656 |
Acquisitions (2) | $ | 856 |  |  | $ | — |  |  | $ | 73 |  |  | $ | 929 |
Foreign currency translation and other | (46 | ) |  | — |  |  | — |  |  | (46 | )
Balance at December 31, 2015 | $ | 1,458 |  |  | $ | 8 |  |  | $ | 73 |  |  | $ | 1,539 |

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