Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Principles - New Accounting Standards (Details)

v3.10.0.1
Summary of Significant Accounting Principles - New Accounting Standards (Details) - Accounting Standards Update 2016-02 - Subsequent Event
$ in Billions
Jan. 01, 2019
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Right-of-use asset $ 9.7
Lease liability $ 9.7