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v3.21.2

Stockholders' Deficit - Schedule of Changes in Equity (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Total SGC stockholders' deficit |  | $ (2,653) | $ (2,358) | $ (2,108) | $ (2,653) | $ (2,108) |
Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance |  | 129 |  |  | 129 |  |
Vesting of RSUs, net of tax withholdings and other | $ (4) | (13) | 1 | (1) |  |  |
Stock-based compensation | 31 | 17 | 14 | 9 |  |  |
Net income (loss) | 113 | (9) | (198) | (155) | 104 | (353) |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 11 | 8 | 62 | (97) | 19 | $ (35) |
Accounting Standards Update [Extensible List] |  |  |  |  |  | us-gaap:AccountingStandardsUpdate201905Member |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | (2,370) | (2,521) |  |  | (2,370) |  | $ (2,524)
Less: comprehensive income attributable to noncontrolling interest | 4 |  | 5 |  | 10 | $ 9 |
Stockholders' Equity Attributable to Noncontrolling Interest | 139 |  |  |  | 139 |  |
Total SGC stockholders' deficit | (2,509) |  | (2,479) | (2,358) | (2,509) | (2,479) |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  |  |  | (6) |  |  |
Common Stock |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Total SGC stockholders' deficit |  |  | 1 | 1 |  | 1 |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 1 | 1 |  |  | 1 |  | 1
Total SGC stockholders' deficit |  |  | 1 | 1 |  | 1 |
Additional Paid in Capital |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Total SGC stockholders' deficit |  |  | 1,216 | 1,208 |  | 1,208 |
Vesting of RSUs, net of tax withholdings and other | (4) | (13) | 1 | (1) |  |  |
Stock-based compensation | 31 | 17 | 13 | 9 |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 1,299 | 1,272 |  |  | 1,299 |  | 1,268
Total SGC stockholders' deficit |  |  | 1,230 | 1,216 |  | 1,230 |
Accumulated Loss |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Total SGC stockholders' deficit |  |  | (3,119) | (2,954) |  | (2,954) |
Net income (loss) | 109 | (15) | (203) | (159) |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | (3,435) | (3,544) |  |  | (3,435) |  | (3,529)
Total SGC stockholders' deficit |  |  | (3,322) | (3,119) |  | (3,322) |
Accumulated Loss | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Total SGC stockholders' deficit |  |  |  | 6 |  | 6 |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  |  |  | (6) |  |  |
Treasury Stock |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Total SGC stockholders' deficit |  |  | (175) | (175) |  | (175) |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | (175) | (175) |  |  | (175) |  | (175)
Total SGC stockholders' deficit |  |  | (175) | (175) |  | (175) |
Accumulated Other Comprehensive Loss |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Total SGC stockholders' deficit |  |  | (389) | (292) |  | (292) |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent |  | 8 | 62 | (97) |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | (199) | (210) |  |  | (199) |  | $ (218)
Total SGC stockholders' deficit |  |  | (327) | (389) |  | (327) |
Noncontrolling Interest |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance | $ 135 | 129 | 108 | 104 | $ 129 | 104 |
Stock-based compensation |  |  | 1 |  |  |  |
Net income (loss) |  |  | 5 | 4 |  |  |
Less: comprehensive income attributable to noncontrolling interest |  | 6 |  |  |  |  |
Stockholders' Equity Attributable to Noncontrolling Interest |  | $ 135 | $ 114 | $ 108 |  | $ 114 |

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