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Employee Stock Plans (Tables) | 12 Months Ended
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Dec. 31, 2024
Share-Based Payment Arrangement [Abstract] |
Summary of Assumption used with Black-Scholes Option Valuations Models | We value the TSR awards using the economic theory that is the basis for all valuation models, including Binominal, Black-Scholes, exotic options formulas, and Monte Carlo valuations. We valued the TSR awards with the following assumptions:
| NAREIT Lodging & Resorts Index
| 2024 Grant Awards |  | 2023 Grant Awards
Grant date stock price | $ | 19.23 |  |  | $ | 18.55 |
Volatility | 33.2 | % |  | 49.2 | %
Beta | 0.845 |  | 0.695
Risk-free rate - three year award | 4.16 | % |  | 4.08 | %
Summary of Schedule Payout for TSR Awards | The payout schedule for the TSR awards is as follows, with linear interpolation for points between the 30 th and 75 th percentiles:
TSR Percentile Ranking |  | Payout (% of Maximum)
At or above 75th percentile |  | 100 | %
50th percentile |  | 50 | %
30th percentile |  | 25 | %
Below 30th percentile |  | — | %
Summary of Status of Senior Executive Plans | The following table is a summary of the status of our senior executive plans for the three years ended December 31, 2024:
| Year ended December 31,
| 2024 |  | 2023 |  | 2022
| Shares (in millions) |  | Fair Value (per share) |  | Shares (in millions) |  | Fair Value (per share) |  | Shares (in millions) |  | Fair Value (per share)
Balance, at beginning of year | 2.6 |  | $ | 17 |  |  | 3.4 |  | $ | 15 |  |  | 3.2 |  | $ | 12 |
Granted | 1.7 |  | 17 |  |  | 1.6 |  | 16 |  |  | 1.6 |  | 17 |
Vested (1) | (1.3) |  | 18 |  |  | (2.2) |  | 19 |  |  | (1.3) |  | 16 |
Forfeited/expired | (0.1) |  | 18 |  |  | (0.2) |  | 19 |  |  | (0.1) |  | 16 |
Balance, at end of year | 2.9 |  | 17 |  |  | 2.6 |  | 17 |  |  | 3.4 |  | 15 |
Issued in calendar year (1) | 1.2 |  | 19 |  |  | 0.7 |  | 16 |  |  | 0.5 |  | 17 |
___________ (1)Shares that vest at December 31 of each year are issued to the employees in the first quarter of the following year, although the requisite service period is complete. Accordingly, the 1.2 million shares issued in 2024 include shares vested at December 31, 2023, after adjusting for shares withheld to meet employee tax requirements. The shares withheld for employee tax requirements were valued at $18 million, $11 million and $8 million for 2024, 2023 and 2022, respectively.

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- Definition Schedule of payout award for total shareholder return activity. + References No definition available. + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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