| Label | Element | Value |
|---|---|---|
| Restricted Cash, Current | us-gaap_RestrictedCashCurrent | $ 3,000,000 |
| Restricted Cash, Current | us-gaap_RestrictedCashCurrent | 5,000,000 |
| Restricted Cash, Current | us-gaap_RestrictedCashCurrent | 4,000,000 |
| Restricted Cash, Noncurrent | us-gaap_RestrictedCashNoncurrent | 3,000,000 |
| Restricted Cash, Noncurrent | us-gaap_RestrictedCashNoncurrent | 0 |
| Restricted Cash, Noncurrent | us-gaap_RestrictedCashNoncurrent | 0 |
| Accounting Standards Update 2016-01 [Member] | Retained Earnings [Member] | ||
| Cumulative Effect of New Accounting Principle in Period of Adoption | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | $ 2,000,000 |
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- Definition Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. No definition available.
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- Definition Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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