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Description of the Business and Summary of Significant Accounting Policies - Initial Public Offering (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
May 07, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  | $ (2,108) | $ (2,463) |
Document Period End Date |  | Dec. 31, 2019 |  |
Stockholders' Equity Attributable to Noncontrolling Interest |  | $ 104 | 0 |
SciPlay |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Stockholders' Equity Attributable to Noncontrolling Interest |  | $ 104 |  |
SciPlay | IPO [Member] |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 18.00% |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  | 97.90% |  |
Income Tax Benefit, Percentage Realized | 85.00% |  |  |
Common Class B [Member] | SciPlay | IPO [Member] |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Noncontrolling Interest, Ownership Percentage By Parent, Threshold | 10.00% |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  | 82.00% |  |
Intellectual property | SciPlay | IPO [Member] |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Proceeds from asset sales | $ 255 | $ 10 | $ 26 | $ 24

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