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Intangible Assets (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
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Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Carrying amount of total other intangibles |  | $ 537 | $ 540
Accumulated Amortization |  | 398 | 390
Net carrying amount of finite-lived and indefinite-lived intangible assets |  | 139 | 150
Indefinite life—Trademarks (b) |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amount of indefinite-lived intangible assets | [1] | 611 | 611
Indefinite life—Title plant shares (e) |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amount of indefinite-lived intangible assets | [2] | 28 | 28
Amortizable—Franchise agreements (a) |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amount of finite-lived intangible assets | [3] | 2,010 | 2,010
Accumulated Amortization | [3] | 1,089 | 1,056
Net carrying amount of finite-lived intangible assets | [3] | 921 | 954
Amortizable—License agreements (c) |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amount of finite-lived intangible assets | [4] | 45 | 45
Accumulated Amortization | [4] | 15 | 15
Net carrying amount of finite-lived intangible assets | [4] | $ 30 | 30
Amortization period |  | 50 years |
Amortizable—Customer relationships (d) |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amount of finite-lived intangible assets | [5] | $ 456 | 456
Accumulated Amortization | [5] | 377 | 366
Net carrying amount of finite-lived intangible assets | [5] | 79 | 90
Amortizable—Other (f) |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Gross carrying amount of finite-lived intangible assets | [6] | 8 | 11
Accumulated Amortization | [6] | 6 | 9
Net carrying amount of finite-lived intangible assets | [6] | $ 2 | $ 2
Franchise Group | Amortizable—Franchise agreements (a) |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Amortization period |  | 30 years |
Minimum | Amortizable—Customer relationships (d) |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Amortization period |  | 7 years |
Minimum | Amortizable—Other (f) |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Amortization period |  | 3 years |
Maximum | Amortizable—Customer relationships (d) |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Amortization period |  | 20 years |
Maximum | Amortizable—Other (f) |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Amortization period |  | 5 years |
[1] | Primarily related to real estate franchise, title and relocation trademarks which are expected to generate future cash flows for an indefinite period of time.
[2] | Ownership in a title plant is required to transact title insurance in certain states. The Company expects to generate future cash flows for an indefinite period of time.
[3] | Generally amortized over a period of 30 years.
[4] | Relates to the Sotheby’s International Realty® and Better Homes and Gardens® Real Estate agreements which are being amortized over 50 years (the contractual term of the license agreements).
[5] | Relates to the customer relationships at Franchise Group, Title Group and Owned Brokerage Group. These relationships are being amortized over a period of 7 to 20 years.
[6] | Consists of covenants not to compete which are amortized over their contract lives and other intangibles which are generally amortized over periods ranging from 3 to 5 years.

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