Certain Recent Accounting Pronouncements (Details) $ in Millions	Jan. 01, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Assets added upon adoption of new lease accounting standard	$ 225
Liabilities added upon adoption of new lease accounting standard	$ 242

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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