Condensed Consolidated Balance Sheet (Parenthetical) (unaudited) - USD ($) $ in Millions |
Jun. 30, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Statement Of Financial Position [Abstract] | ||
| Allowances for accounts receivable and accrued revenues | $ 7 | $ 5 |
| Share Capital, Authorized | 775,000,000 | 775,000,000 |
| Common Stock, Shares, Issued | 255,900,000 | 258,000,000.0 |
| Common Stock, Shares, Outstanding | 255,900,000 | 258,000,000.0 |
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- Definition Common and preferred stock shares authorized. No definition available.
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- Definition 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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