ACCOUNTS RECEIVABLE - Changes in Allowance for Fee-for-Service Commissions (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2023	$ 60
Current period provision for expected credit losses	16
Write-offs charged against the allowance	(15)
Balance at March 31, 2024	61
Fee-for-service commissions
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2023	23
Current period provision for expected credit losses	2
Write-offs charged against the allowance	(8)
Balance at March 31, 2024	17
Real Estate Sales and Financing Segment
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2023	34
Current period provision for expected credit losses	3
Write-offs charged against the allowance	(7)
Balance at March 31, 2024	30
Resort and club management
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2023	3
Current period provision for expected credit losses	11
Write-offs charged against the allowance	0
Balance at March 31, 2024	$ 14