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Proposed Merger With GE Transportation (Details) - GE Transportation - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Jul. 18, 2018
Scenario Forecast |  |
Business Acquisition [Line Items] |  |
Cash payment for acquisition | $ 2,900 |
Outstanding shares retained (as a percent) | 49.90% |
Equity issued in acquisition | $ 10,184 |
Business combination, consideration transferred | $ 13,500 |
Scenario Forecast | GE and Pre-Merger Holders |  |
Business Acquisition [Line Items] |  |
Outstanding shares transferred (as a percent) | 50.10% |
Scenario Forecast | General Electric Company |  |
Business Acquisition [Line Items] |  |
Outstanding shares transferred (as a percent) | 9.90% |
Period for reverting shares | 2 years |
Cash to be received | $ 3,370 |
Subsequent Event |  |
Business Acquisition [Line Items] |  |
Closing sale price (in dollars per share) |  | $ 103.85

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