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Operating EBITDA (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2020 | Mar. 31, 2020 | Sep. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2008 | Dec. 31, 2007
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss) Attributable to Parent |  |  |  |  |  |  |  | $ 343 |  | $ (360) |  | $ (188) |  |  |
Income tax expense (benefit) |  |  |  |  |  |  |  | 133 |  | (104) |  | 14 |  |  |
Income (loss) before income taxes |  |  |  |  |  |  |  | 476 |  | (464) |  | (174) |  |  |
Depreciation and amortization |  |  |  |  |  |  |  | 204 |  | 186 |  | 195 |  |  |
Interest expense, net |  |  |  |  |  |  |  | 190 |  | 246 |  | 250 |  |  |
Restructuring costs, net | [1],[2] |  |  |  |  |  |  | 17 |  | 67 |  | 52 |  |  |
Impairments | [3] |  |  |  |  |  |  | 4 |  | 682 |  | 271 |  |  |
Former parent legacy cost, net | [4] |  |  |  |  |  |  | 1 |  | 1 |  | 1 |  |  |
Loss (gain) on the early extinguishment of debt |  |  |  | $ (10) | $ 5 |  |  | 21 | [4] | 8 | [4] | (5) | [4] |  |
Gain on the sale of business, net | [5] |  |  |  |  |  |  | (11) |  | 0 |  | 0 |  |  |
Operating EBITDA |  |  |  |  |  |  |  | 902 |  | 726 |  | 590 |  |  |
Impairment of Goodwill |  |  |  |  |  |  |  |  |  | 540 | [6] | 253 | [7] | $ 1,279 | $ 507
Cartus Relocation Services Reserves Recorded |  |  |  |  |  | $ (133) |  |  |  |  |  | (22) |  |  |
Other Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 50 |  | 12 |  |  |
Realogy Franchise Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  | 112 |  | 87 |  | 104 |  |  |
Restructuring costs, net |  |  |  |  |  |  |  | 5 |  | 15 |  | 14 |  |  |
Operating EBITDA |  |  |  |  |  |  |  | 751 |  | 594 |  | 616 |  |  |
Impairment of Goodwill |  | $ 22 |  |  |  |  | $ 105 |  |  | 127 | [6] | 16 | [7] |  |
Realogy Franchise Group | Indefinite life—Trademarks |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) |  | $ 34 | $ 30 |  |  |  |  |  |  |  |  |  |  |  |
Realogy Brokerage Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  | 56 |  | 59 |  | 54 |  |  |
Restructuring costs, net |  |  |  |  |  |  |  | 7 |  | 37 |  | 25 |  |  |
Operating EBITDA |  |  |  |  |  |  |  | 109 |  | 48 |  | 4 |  |  |
Impairment of Goodwill |  |  |  |  |  |  |  |  |  | 413 | [6] | 237 | [7] |  |
Realogy Title Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  | 11 |  | 11 |  | 13 |  |  |
Restructuring costs, net |  |  |  |  |  |  |  |  |  | 4 |  | 3 |  |  |
Operating EBITDA |  |  |  |  |  |  |  | 200 |  | 226 |  | 68 |  |  |
Impairment of Goodwill |  |  |  |  |  |  |  |  |  | 0 | [6] | 0 | [7] |  |
Corporate and Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  | 25 |  | 29 |  | 24 |  |  |
Restructuring costs, net |  |  |  |  |  |  |  | 5 |  | 11 |  | 10 |  |  |
Operating EBITDA | [4],[8] |  |  |  |  |  |  | $ (158) |  | $ (142) |  | $ (98) |  |  |
[1] | Restructuring charges for the years ended December 31, 2020 and 2019 include $65 million and $47 million, respectively, of expense related to the Facility and Operational Efficiencies Program and $2 million and $5 million, respectively, of expense related to prior restructuring programs
[2] | The year ended December 31, 2021 includes restructuring charges of $5 million at Realogy Franchise Group, $7 million at Realogy Brokerage Group and $5 million at Corporate and Other. The year ended December 31, 2020 includes restructuring charges of $15 million at Realogy Franchise Group, $37 million at Realogy Brokerage Group, $4 million at Realogy Title Group and $11 million at Corporate and Other. The year ended December 31, 2019 includes restructuring charges of $14 million at Realogy Franchise Group, $25 million at Realogy Brokerage Group, $3 million at Realogy Title Group and $10 million at Corporate and Other.
[3] | Non-cash impairments for the year ended December 31, 2021 primarily relate to software and lease asset impairments. Non-cash impairments for the year ended December 31, 2020 include: •a goodwill impairment charge of $413 million related to Realogy Brokerage Group; •an impairment charge of $30 million related to Realogy Franchise Group's trademarks; •$133 million of impairment charges during the nine months ended September 30, 2020 (while Cartus Relocation Services was held for sale) to reduce the net assets to the estimated proceeds; •a goodwill impairment charge of $22 million related to Cartus Relocation Services; •an impairment charge of $34 million related to Cartus Relocation Services' trademarks; and •other asset impairments of $50 million primarily related to lease asset impairments. Non-cash impairments for the year ended December 31, 2019 include a goodwill impairment charge of $237 million related to Realogy Brokerage Group, a $22 million reduction to record net assets held for sale at the lower of carrying value or fair value, less costs to sell, for Cartus Relocation Services which was presented as held for sale at December 31, 2019 and $12 million of other impairment charges primarily related to lease asset impairments.
[4] | Former parent legacy items and Loss (gain) on the early extinguishment of debt are recorded in Corporate and Other.
[5] | Gain on the sale of business, net is primarily recorded in Realogy Brokerage Group.
[6] | During the year ended December 31, 2020, the Company recognized a goodwill impairment charges of $413 million related to Realogy Brokerage Group and $127 million at Realogy Franchise Group which related to $105 million during the nine months ended September 30, 2020 (while Cartus Relocation Services was held for sale) to reduce the net assets to the estimated proceeds and an additional goodwill impairment charge of $22 million during the fourth quarter of 2020 related to Cartus Relocation Services.
[7] | During the year ended December 31, 2019, the Company recognized goodwill impairment charges of $237 million related to Realogy Brokerage Group and $16 million at Realogy Franchise Group which related to the reduction to record net assets held for sale at the lower of carrying value or fair value, less costs to sell, for Cartus Relocation Services which was presented as held for sale at December 31, 2019.
[8] | Includes the elimination of transactions between segments.

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- Definition Reserves recorded during the nine months ended September 30, 2020 (while Cartus Relocation Services was held for sale) to reduce the net assets to the estimated proceeds which were included in Impairments in connection with the reclassification of Cartus Relocation Services as continuing operations during the fourth quarter of 2020; + References No definition available. + Details
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