Accounts Receivable - Summary of Accounts Receivable, Net of Allowance for Credit Losses (Details) - USD ($) $ in Millions		Jun. 30, 2021	Dec. 31, 2020
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, net of allowances		$ 220	$ 119
Fee-for-Service Commission
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, net of allowances	[1]	38
Real Estate and Financing
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, net of allowances		31
Resort and Club Operations
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, net of allowances		33
Tax Receivables
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, net of allowances		109
Other Receivables
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, net of allowances	[2]	$ 9

[1] Net of allowance.

[2] Primarily includes individually insignificant accounts receivable recognized in the ordinary course of business, the allowances for which are also individually insignificant.