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v3.19.3.a.u2

Nature of Operations (Details) $ in Millions |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Aug. 21, 2019 USD ($) shares | Aug. 20, 2019 | Aug. 31, 2019 shares | Dec. 31, 2019 county | Dec. 31, 2018 USD ($)
Investment [Line Items] |  |  |  |  |
General Partner incentive distribution |  |  |  |  | $ 11.3
Number of counties of operation | county |  |  |  | 1 |
AmeriGas Propane | AmeriGas Partners |  |  |  |  |
Investment [Line Items] |  |  |  |  |
General Partner held a general partner interest in AmeriGas Partners |  | 1.00% |  |  |
Percentage of limited partnership interest in AmeriGas Partners |  | 25.50% |  |  |
AmeriGas Propane | AmeriGas OLP |  |  |  |  |
Investment [Line Items] |  |  |  |  |
Effective ownership interest in AmeriGas OLP |  | 27.00% |  |  |
Merger Sub |  |  |  |  |
Investment [Line Items] |  |  |  |  |
Common stock paid in cash to acquire all outstanding common units | $ 528.9 |  |  |  |
Common Stock | Merger Sub |  |  |  |  |
Investment [Line Items] |  |  |  |  |
Shares issued in business acquisition (in shares) | shares | 34,612,847 |  | 34,613,000 |  |

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