STOCK-BASED COMPENSATION - Schedule of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Number of Shares
Beginning balance (in shares)	39,636,645
Granted (in shares)	5,441,251
Exercised (in shares)	(258,017)
Forfeited (in shares)	(7,027,934)
Ending balance (in shares)	37,791,945	39,636,645
Weighted Average Exercise Price (per share)
Beginning balance (in USD per share)	$ 5.45
Granted (in USD per share)	6.21
Exercised (in USD per share)	5.66
Forfeited (in USD per share)	13.34
Ending balance (in USD per share)	$ 4.09	$ 5.45
Stock Options Outstanding
Weighted Average Remaining Contractual Term (in years)	4 years 4 months 2 days	5 years 2 months 15 days
Aggregate Intrinsic Value (in millions)	$ 275	$ 81
Exercisable (in shares)	33,312,136
Exercisable (in USD per share)	$ 3.76
Stock Options outstanding, Weighted average remaining contractual term (years)	4 years 21 days
Exercisable, intrinsic value	$ 253

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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