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Amount of allowance for credit loss on accounts receivable, classified as current.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Number of shares issued which are neither cancelled nor held in the treasury.

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Condensed Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019	Jul. 01, 2019	Jun. 30, 2019
Cash and Cash Equivalents
Restricted Cash and Cash Equivalents, Current	$ 3	$ 4
Accounts Receivable
net allowance for doubtful accounts	$ 3	$ 3
Common Stock
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01	$ 0.01
shares authorized	100	100
Common Stock, Shares, Issued	100	100
Shares, Outstanding		100		100