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v3.20.2

Segment Information - Narrative (Details) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2020 USD ($) segment | Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items] |  |  |
Number of Reportable Segments | segment | 4 |  |
Goodwill | $ 4,051 |  | $ 4,067
Percentage of revenue from aerospace end market (percent) | 73.00% |  |
Revenue Benchmark | Customer Concentration Risk |  |  |
Segment Reporting Information [Line Items] |  |  |
Concentration risk, percentage | 12.00% |  |
Engineered Structures |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill |  | $ 17 |
Margin between fair value of reporting unit and carrying value (percent) | 20.00% | 15.00% | 60.00%
Engine Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill |  | $ (17) |

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