Wyndham Hotels & Resorts, Inc. Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Credit Loss [Abstract]
Accounts receivable, allowance for credit loss	$ 80	$ 79	$ 81	$ 72
Income tax benefit	$ 34	$ 11

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.