Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details)

v3.21.1
Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Accounts Payable    
Basis of Presentation    
Book overdrafts $ 12 $ 11
Revenue distributions payable    
Basis of Presentation    
Book overdrafts $ 23 $ 15