ACCOUNTS RECEIVABLE - Changes in Allowance (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2022	$ 52
Current period provision for expected credit losses	43
Write-offs charged against the allowance	(35)
Balance at December 31, 2023	60
Fee-for-service commissions
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2022	16
Current period provision for expected credit losses	14
Write-offs charged against the allowance	(7)
Balance at December 31, 2023	23
Real estate and financing
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2022	24
Current period provision for expected credit losses	13
Write-offs charged against the allowance	(3)
Balance at December 31, 2023	34
Resort and club management
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2022	12
Current period provision for expected credit losses	16
Write-offs charged against the allowance	(25)
Balance at December 31, 2023	$ 3