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Revenue Recognition - Deferred Revenue (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Jan. 01, 2022 | Dec. 31, 2021
Deferred Revenue Arrangement [Line Items] |  |  |  |
Deferred Revenue |  | $ 94 | $ 93 |
Deferred Revenue, Revenue Recognized |  | 196 |  |
Movement in Deferred Revenue [Roll Forward] |  |  |  |
Additions during the period |  | 197 |  |
Recognized as Revenue during the period |  | (196) |  |
Ending Balance at December 31, 2022 |  | 94 |  |
Franchise Group |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
Deferred Revenue | [1] | 80 | 79 |
Deferred Revenue, Revenue Recognized | [1] | 189 |  |
Deferred Sales Commission |  | 28 |  | $ 26
Movement in Deferred Revenue [Roll Forward] |  |  |  |
Additions during the period | [1] | 190 |  |
Recognized as Revenue during the period | [1] | (189) |  |
Ending Balance at December 31, 2022 | [1] | 80 |  |
Franchise Group | Brand Marketing Fees |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
Deferred Revenue |  | 26 | 25 |
Movement in Deferred Revenue [Roll Forward] |  |  |  |
Ending Balance at December 31, 2022 |  | 26 |  |
Franchise Group | Area Development Fees |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
Deferred Revenue |  | 40 | 41 |
Deferred Revenue, Revenue Recognized |  | 3 |  |
Movement in Deferred Revenue [Roll Forward] |  |  |  |
Additions during the period |  | 2 |  |
Recognized as Revenue during the period |  | (3) |  |
Ending Balance at December 31, 2022 |  | 40 |  |
Franchise Group | Network Fees |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
Deferred Revenue |  | 0 | 0 |
Deferred Revenue, Revenue Recognized |  | 6 |  |
Movement in Deferred Revenue [Roll Forward] |  |  |  |
Additions during the period |  | 6 |  |
Recognized as Revenue during the period |  | (6) |  |
Ending Balance at December 31, 2022 |  | 0 |  |
Franchise Group | Outsourcing Management Fees |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
Deferred Revenue |  | 4 | 4 |
Deferred Revenue, Revenue Recognized |  | 58 |  |
Movement in Deferred Revenue [Roll Forward] |  |  |  |
Additions during the period |  | 58 |  |
Recognized as Revenue during the period |  | (58) |  |
Ending Balance at December 31, 2022 |  | $ 4 |  |
Franchise Group | Minimum |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
Outsourcing Management Fees Period |  | 3 months |  |
Franchise Group | Maximum |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
Outsourcing Management Fees Period |  | 6 months |  |
Franchise Group | International Franchise Rights |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
Amortization period |  | 25 years |  |
Franchise Group | Franchise Rights |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
Amortization period |  | 30 years |  |
Owned Brokerage Group |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
Deferred Revenue |  | $ 14 | 14 |
Deferred Revenue, Revenue Recognized |  | 7 |  |
Movement in Deferred Revenue [Roll Forward] |  |  |  |
Additions during the period |  | 7 |  |
Recognized as Revenue during the period |  | (7) |  |
Ending Balance at December 31, 2022 |  | 14 |  |
Owned Brokerage Group | New Development Business |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
Deferred Revenue |  | 11 | $ 11 |
Deferred Revenue, Revenue Recognized |  | 3 |  |
Movement in Deferred Revenue [Roll Forward] |  |  |  |
Additions during the period |  | 3 |  |
Recognized as Revenue during the period |  | (3) |  |
Ending Balance at December 31, 2022 |  | $ 11 |  |
Owned Brokerage Group | Minimum |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
New Development Period |  | 18 months |  |
Owned Brokerage Group | Maximum |  |  |  |
Deferred Revenue Arrangement [Line Items] |  |  |  |
New Development Period |  | 24 months |  |
[1] | Revenues recognized include intercompany marketing fees paid by Owned Brokerage Group.

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