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Stock-Based Compensation - Supplemental Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Stock-Based Compensation |  |  |
Minimum tax withholdings | $ 6 | $ 9 | $ 27
Compensation Expense | 34 | 27 | 27
Tax detriment/(benefit) recognized | 3 | 2 | (9)
Unrecognized Total Cost | 37 |  |
RSUs |  |  |
Stock-Based Compensation |  |  |
Compensation Expense | 15 | 9 | 9
Unrecognized Total Cost | $ 17 |  |
Weighted Average Recognition Period Remaining (In years) | 1 year 9 months |  |
Award vesting period | 3 years |  |
DSUs |  |  |
Stock-Based Compensation |  |  |
Compensation Expense | $ 2 | 2 | 2
Unrecognized Total Cost | $ 0 |  |
Weighted Average Recognition Period Remaining (In years) | 0 years |  |
RPSUs |  |  |
Stock-Based Compensation |  |  |
Compensation Expense | $ 11 | 9 | 10
Unrecognized Total Cost | $ 13 |  |
Weighted Average Recognition Period Remaining (In years) | 1 year 1 month 28 days |  |
Award vesting period | 3 years |  |
PRSUs |  |  |
Stock-Based Compensation |  |  |
Compensation Expense | $ 6 | $ 7 | $ 6
Unrecognized Total Cost | $ 7 |  |
Weighted Average Recognition Period Remaining (In years) | 1 year 5 months 12 days |  |
Award vesting period | 3 years |  |

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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