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Subsequent Events (Details) - LTG - USD ($) $ in Millions | 1 Months Ended |
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Jan. 31, 2019 | Sep. 30, 2018
Subsequent Event [Line Items] |  |
Equity percentage currently owned in equity interest |  | 32.50%
Subsequent Event | Scenario, Forecast |  |
Subsequent Event [Line Items] |  |
Remaining equity interest percentage to be acquired | 67.50% |
Consideration paid for acquisition | $ 305 |
Long-term assumed in acquisition | 166 |
Subsequent Event | Scenario, Forecast | LTG |  |
Subsequent Event [Line Items] |  |
Long-term assumed in acquisition | 130 |
Subsequent Event | Scenario, Forecast | Thompsons |  |
Subsequent Event [Line Items] |  |
Long-term assumed in acquisition | $ 36 |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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- Definition Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination. + References No definition available. + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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