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Acquisitions and Divestitures - Divestitures (Details) - Discontinued Operations, Held-for-sale - USD ($) $ in Millions | 1 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018
Divestiture Information |  |
Disposal - Accounts receivable | $ 25 |
Disposal - Inventory | 25 |
Disposal - Intangible assets | 25 |
Disposal - Goodwill | 50 |
Aggregate operating income of divested businesses |  | $ 25
Teledyne Technologies Incorporated |  |
Divestiture Information |  |
Annual sales of divested business | 120 |
Proceeds from divested businesses, net of cash sold | 230 |
Safety and Industrial | Teledyne Technologies Incorporated |  |
Divestiture Information |  |
Estimated pre-tax gain on sale | $ 110 |

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