Recently Issued Accounting Pronouncements (Details) - Subsequent Event - Accounting Standards Update 2016-02 $ in Millions |
Jan. 01, 2019
USD ($)
|
---|---|
Minimum | |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
Operating lease, right-of-use asset | $ 195 |
Operating lease, liability | 195 |
Maximum | |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
Operating lease, right-of-use asset | 235 |
Operating lease, liability | $ 235 |