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Asset Impairments (Tables) | 3 Months Ended
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Mar. 31, 2020
Goodwill And Intangible Assets Disclosure [Abstract] |
Goodwill Identified, by Segment | The Company has approximately $1.52 billion 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 |  |  | — |  |  |  | (1 | ) |  |  | — |  |  |  | (1 | )
Balance at March 31, 2020(1) |  | $ | 330 |  |  | $ | 473 |  |  | $ | 712 |  |  | $ | 1,515 |
(1) | Accumulated goodwill impairment was $7,261 million as of March 31, 2020.
Identified Intangible Assets, by Segment | The Company has approximately $534 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 |  |  | (4 | ) |  |  | (6 | ) |  |  | (7 | ) |  |  | (17 | )
Currency translation adjustments and other |  |  | (2 | ) |  |  | (5 | ) |  |  | (2 | ) |  |  | (9 | )
Balance at March 31, 2020 |  | $ | 242 |  |  | $ | 50 |  |  | $ | 242 |  |  | $ | 534 |

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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=108376223&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=108376223&loc=d3e13854-109267 + Details
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