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Cash and Cash Equivalents (Tables)
6 Months Ended
Jun. 30, 2020
Cash and Cash Equivalents [Abstract]  
Summary of Cash and Cash Equivalents
The following table presents a summary of cash and cash equivalents as of June 30, 2020 and December 31, 2019:
(in millions)June 30, 2020December 31, 2019
Cash$7  $5  
Marketable securities (1)
3  —  
Total$10  $5  
(1)Consists of government stable value money market funds.