Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions |
Mar. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Allowance for doubtful accounts | $ 111 | $ 132 |
| Current portion of debt, fair value | $ 1,767 | $ 1,750 |
| Common Class A | ||
| Common stock, par or stated value per share | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 4,000,000,000 | 4,000,000,000 |
| Common stock, shares issued | 382,235,148 | 382,165,550 |
| Common stock, shares outstanding | 382,235,148 | 382,165,550 |
| Common Class B | ||
| Common stock, par or stated value per share | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 150,000,000 | 150,000,000 |
| Common stock, shares issued | 29,353,492 | 29,366,492 |
| Common stock, shares outstanding | 29,353,492 | 29,366,492 |
| Common Class C | ||
| Common stock, par or stated value per share | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 400,000,000 | 400,000,000 |
| Common stock, shares issued | 0 | 0 |
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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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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- 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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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date. No definition available.
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