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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2022
Share-Based Payment Arrangement [Abstract] |
Share-based payment arrangement activity | During 2022, the following units were granted based upon the establishment of performance targets:
| Performance-based Award Units Granted in 2022 | Weighted Average Grant Date Fair Value Per Share
2022 Performance Award Plan | 142,319 | $24.07
2021 Performance Award Plan | 204,623 | $25.75
2020 Performance Award Plan | 385,455 | $27.90
Disclosure of compensation Arrangements by share-based payment award |
|  | Location in Statement of Operations |  | 3ME September 30, |  | 9ME September 30,
Compensation Expense (in millions) |  |  | 2022 | 2021 |  | 2022 | 2021
SGI awards |  | G&A |  | $ | 10 |  | $ | 3 |  |  | $ | 20 |  | $ | 34 |
Performance-based awards for non-Section 16 executives |  | G&A |  | 2 |  | 1 |  |  | 14 |  | 5 |
Liabilities (in millions) | September 30, 2022 |  | December 31, 2021
SGI awards | $ | 58 |  |  | $ | 73 |
Performance-based awards for non-Section 16 executives | 15 |  |  | 8 |

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