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Asset Impairments (Tables) | 9 Months Ended
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Sep. 30, 2020
Goodwill And Intangible Assets Disclosure [Abstract] |
Goodwill Identified, by Segment | At September 30, 2020, the Company has approximately $1,493 million of goodwill, by segment, as follows (in millions):
|  | Wellbore Technologies |  |  | Completion & Production Solutions |  |  | Rig Technologies |  |  | Total |
Balance at December 31, 2019 |  | $ | 843 |  |  | $ | 1,054 |  |  | $ | 910 |  |  | $ | 2,807 |
Impairment |  |  | (517 | ) |  |  | (580 | ) |  |  | (198 | ) |  |  | (1,295 | )
Additions |  |  | 4 |  |  |  | — |  |  |  | — |  |  |  | 4 |
Currency translation adjustments and other |  |  | (22 | ) |  |  | (1 | ) |  |  | — |  |  |  | (23 | )
Balance at September 30, 2020 |  | $ | 308 |  |  | $ | 473 |  |  | $ | 712 |  |  | $ | 1,493 |
Identified Intangible Assets, by Segment | The Company has approximately $516 million of identified intangible assets, by segment, as follows (in millions):
|  | Wellbore Technologies |  |  | Completion & Production Solutions |  |  | Rig Technologies |  |  | Total |
Balance at December 31, 2019 |  | $ | 326 |  |  | $ | 275 |  |  | $ | 251 |  |  | $ | 852 |
Impairment |  |  | (78 | ) |  |  | (214 | ) |  |  | — |  |  |  | (292 | )
Additions |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Amortization |  |  | (9 | ) |  |  | (8 | ) |  |  | (21 | ) |  |  | (38 | )
Currency translation adjustments and other |  |  | (3 | ) |  |  | (5 | ) |  |  | 2 |  |  |  | (6 | )
Balance at September 30, 2020 |  | $ | 236 |  |  | $ | 48 |  |  | $ | 232 |  |  | $ | 516 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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