Selected Quarterly Financial Data (unaudited) - Narrative (Details) - USD ($) |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
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| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Proceeds received from insurance relating to property and casualty damage claims | $ 486,000,000 | $ 486,000 | ||
| Proceeds from federal relief grants | 15,597,000,000 | $ 4,629,000 | $ 15,597,000 | |
| Pension expense | 935,000,000 | |||
| Discontinued Operations, Held-for-sale | ||||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Gain on sale of assets | $ 27,470,000,000 | $ 13,166,000,000 | ||
| Grove Management Services | ||||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Operating revenue | 3,246,000,000 | |||
| Operating expenses | $ 2,951,000,000 | |||
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- Definition Operating revenue. No definition available.
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- Definition Proceeds From Federal Relief Grants No definition available.
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- Definition Proceeds Received from Insurance Relating to Property and Casualty Damage Claims No definition available.
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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No definition available.
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- Definition Amount of cost (reversal of cost) for pension benefits. Excludes other postretirement benefits. No definition available.
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- Details
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- Details
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