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Combined Guarantor Subsidiaries - Revenues - Narrative (Details) | 6 Months Ended
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Jun. 30, 2019 extension_option
Condensed Financial Statements, Captions [Line Items] |
Period between increases in fixed rate of arrangements | 5 years
Number of extension options available (one or more) | 1
Period of extension option (50 or more years) | 50 years
Guarantor Subsidiaries |
Condensed Financial Statements, Captions [Line Items] |
Period between increases in fixed rate of arrangements | 5 years
Number of extension options available (one or more) | 1
Period of extension option (50 or more years) | 50 years

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- Definition Revenue From Contract With Customer, Operating Agreements, Cumulative Term + References No definition available. + Details
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- Definition Revenue From Contracts With Customers, Operating Agreements, Number Of Extension Options Available. + References No definition available. + Details
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- Definition Revenues From Contracts With Customers, Fixed Rate Agreements, Price Increase Period + References No definition available. + Details
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- Details
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