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Debt - Mortgage Notes Payable (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Non recourse mortgage notes	$ 57	$ 61
Non-recourse mortgage note due January 1, 2021
Debt Instrument [Line Items]
Non recourse mortgage notes	$ 57
Interest rate stated, percentage	5.14%
Net book value of collateralized properties	$ 162

X

- Definition

Net book value of collateralized properties

+ References

No definition available.

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X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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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.

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No definition available.

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- Definition

Amount of long-term notes payable classified as other.

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-Name Accounting Standards Codification
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-SubTopic 210
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