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Stockholders' Deficit Stock-Based Compensation (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Jun. 30, 2020
Class of Stock [Line Items] |  |  |  |
Stock-based compensation expense recognized | $ 61 | $ 37 | $ 44 |
Document Period End Date | Dec. 31, 2020 |  |  |
SciPlay Corporation Long-Term Incentive Plan [Member] [Domain] | Common Class A [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common stock reserved for awards under incentive compensation plan (in shares) |  |  |  | 6.5
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number |  |  |  | 4.1
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price |  |  |  | $ 15.27
Restricted Stock Units |  |  |  |
Class of Stock [Line Items] |  |  |  |
Stock-based compensation expense recognized | $ 30 | $ 23 | 32 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | 3.3 | 2.9 |  |
Restricted Stock Units | SciPlay [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Stock-based compensation expense recognized | $ 22 | $ 9 | 0 |
Stock Options |  |  |  |
Class of Stock [Line Items] |  |  |  |
Stock-based compensation expense recognized | $ 9 | $ 5 | $ 12 |

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