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Stock-based and Other Incentive Compensation - Stock Appreciation Rights Activity (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
Cash-settled awards |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] |  |  |
Outstanding, beginning balance (in shares) |  | 3,452,120 |
CSARs converted to SSARs / SSARs converted from CSARs (in shares) | (1,978,761) |  |
Exercised (in shares) | (863,648) |  |
Cancelled (in shares) | (470,992) |  |
Forfeited (in shares) | (19,815) |  |
Outstanding, ending balance (in shares) | 118,904 | 118,904 | 3,452,120
Weighted Average Exercise Price |  |  |
Shares outstanding, Weighted average grant price, beginning balance (in dollars per share) |  |  | $ 18.77
CSARs converted to SSARs / SSARs converted from CSARs (in dollars per share) | $ 21.12 |  |
Exercised (in dollars per share) | 7.46 |  |
Cancelled (in dollars per share) | 30.06 |  |
Forfeited (in dollars per share) | 29.10 |  |
Shares outstanding, Weighted average grant price, ending balance (in dollars per share) | $ 15.47 | $ 15.47 |
Shares outstanding, Weighted average remaining contractual life |  | 1 year 3 months 14 days | 1 year 8 months 19 days
Shares outstanding, Aggregate intrinsic value | $ 3 | $ 3 | $ 37
Exercisable (in shares) | 104,618 | 104,618 |
Exercisable (in dollars per share) | $ 13.63 | $ 13.63 |
Exercisable, Weighted average remaining contractual life |  | 1 year |
Exercisable, Aggregate intrinsic value | $ 3 | $ 3 |
Stock-settled stock appreciation rights |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] |  |  |
Outstanding, beginning balance (in shares) |  | 0 |
CSARs converted to SSARs / SSARs converted from CSARs (in shares) | 1,978,761 |  |
Exercised (in shares) | (15,806) |  |
Forfeited (in shares) | (6,932) |  |
Outstanding, ending balance (in shares) | 1,956,023 | 1,956,023 | 0
Weighted Average Exercise Price |  |  |
CSARs converted to SSARs / SSARs converted from CSARs (in dollars per share) | $ 21.12 |  |
Exercised (in dollars per share) | 13.02 |  |
Forfeited (in dollars per share) | 29.16 |  |
Shares outstanding, Weighted average grant price, ending balance (in dollars per share) | $ 21.15 | $ 21.15 |
Shares outstanding, Weighted average remaining contractual life |  | 2 years 2 months 12 days |
Shares outstanding, Aggregate intrinsic value | $ 27 | $ 27 |
Exercisable (in shares) | 969,451 | 969,451 |
Exercisable (in dollars per share) | $ 13.07 | $ 13.07 |
Exercisable, Weighted average remaining contractual life |  | 1 year 25 days |
Exercisable, Aggregate intrinsic value | $ 21 | $ 21 |

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