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Cash and Cash Equivalents
9 Months Ended
Sep. 30, 2019
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents CASH AND CASH EQUIVALENTS
The following table presents a summary of cash and cash equivalents as of September 30, 2019 and December 31, 2018:
(in millions)September 30, 2019December 31, 2018
Cash$ $32  
Marketable securities (1)
20  169  
Total$29  $201  
(1)Consists of government stable value money market funds.