Basis of Presentation (Details) - USD ($) $ in Millions |
1 Months Ended | 3 Months Ended | 9 Months Ended | |
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Jun. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2018 |
Sep. 30, 2017 |
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| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Gain (loss) on dispositions, net (note 1) | $ (18) | |||
| Tax Act transition tax adjustment | $ 2 | $ 2 | ||
| Buy Seasons | Disposed of by Sale | ||||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Gain (loss) on dispositions, net (note 1) | $ (18) | |||
| Disposal Group Revenue | 13 | |||
| Disposal Group Net Earnings Loss | $ (1) | |||
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- Definition Disposal Group Net Earnings Loss No definition available.
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- Definition Amount of income tax expense (benefit) for measurement period adjustment from accounting for tax effect pursuant to Tax Cuts and Jobs Act of 2017. No definition available.
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- Definition Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant. 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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