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v3.23.2

Stock-Based Compensation - Narrative (Details) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Aggregate maximum of common shares (in shares) | 20 |  | 20 |
Common shares available for grant (in shares) | 17 |  | 17 |
Stock-based compensation expense | $ 35 | $ 30 | $ 69 | $ 65
Stock Options, SARs and ESPP |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense related to stock options, SAR and ESPP grants | 6 | 8 | 12 | 17
Unrecognized compensation expense | 22 |  | $ 22 |
Weighted average period over which unrecognized compensation expense will be recognized (in years) |  |  | 10 months 24 days |
Restricted Stock And Restricted Stock Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation expense | 238 |  | $ 238 |
Weighted average period over which unrecognized compensation expense will be recognized (in years) |  |  | 1 year 3 months 18 days |
Share-based compensation arrangement by restricted stock and restricted stock units compensation cost | 27 | 20 | $ 52 | 45
Performance Unit |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation expense | 12 |  | $ 12 |
Weighted average period over which unrecognized compensation expense will be recognized (in years) |  |  | 1 year 8 months 12 days |
Performance period for performance units and shares (in years) |  |  | 3 years |
Minimum performance multiple at the completion of the performance period (as a percent) |  |  | 0.00% |
Maximum performance multiple at the completion of the performance period (as a percent) |  |  | 200.00% |
Average return on capital employed (in years) |  |  | 3 years |
Maximum performance multiple at the completion of the performance period if TSR is negative (as a percent) |  |  | 100.00% |
Stock-based compensation expense | $ 2 | $ 2 | $ 5 | $ 3
Performance Unit | Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Modifier applied to performance based multiple |  |  | (70.00%) |
Performance Unit | Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Modifier applied to performance based multiple |  |  | 70.00% |

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