Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Restricted Cash and Cash Equivalents	$ 15	$ 15
Allowance for Doubtful Accounts, Premiums and Other Receivables	$ 3	$ 16
Common Stock
par value	$ 0.01	$ 0.01
shares authorized	100	300,000,000
Common Stock, Shares, Issued	100	170,605,906
shares outstanding	100	82,556,847
Treasury Stock, Common, Shares	0	88,049,059

The valuation allowance as of the balance sheet date to reduce the gross amount of receivables to estimated net realizable value, which would be presented in parentheses on the face of the balance sheet.

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