Stockholders' Equity and Noncontrolling Interests - Preferred and Common Stock (Details) - USD ($) $ in Millions |
1 Months Ended | ||
|---|---|---|---|
May 31, 2019 |
Jun. 30, 2020 |
Dec. 31, 2019 |
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| Stockholders' Equity Note [Abstract] | |||
| Preferred stock shares authorized (in shares) | 2,000,000,000.0 | 2,000,000,000.0 | |
| Common stock shares authorized (in shares) | 5,000,000,000.0 | 5,000,000,000.0 | |
| Preferred stock shares outstanding (in shares) | 0 | 0 | |
| Common stock shares issued (in shares) | 1,400,000,000 | 1,400,000,000 | |
| Common stock shares outstanding (in shares) | 1,400,000,000 | 1,400,000,000 | |
| Series F Preferred Stock [Member] | GM Cruise Holdings LLC [Member] | |||
| Class of Stock [Line Items] | |||
| Proceeds from issuance of preferred stock | $ 1,100 | ||
| Investment in subsidiaries | $ 687 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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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 The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) 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 Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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