COMMON STOCK AND STOCKHOLDERS' EQUITY - Schedule Of Share-Based Compensation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share based compensation expense	$ 305	$ 304	$ 871
Time-Based Restricted Stock Units (RSUs)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share based compensation expense	293	300	292
Market-Based Restricted Stock Units (RSUs)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share based compensation expense		(8)	567
Reversal of previously recognized expense	11
Brokerage and transaction
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share based compensation expense	10	9	7
Technology and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share based compensation expense	159	192	211
Operations
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share based compensation expense	6	7	8
Marketing
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share based compensation expense	8	8	5
General and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share based compensation expense	$ 122	88	$ 640
General and administrative \| Market-Based Restricted Stock Units (RSUs)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share based compensation expense		$ 485