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REAL ESTATE INVENTORY - Narrative (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2022 USD ($) home | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Inventory Disclosure [Abstract] |  |  |
Inventory adjustments | $ 459 | $ 40 |
Amount of homes purchased under contract | home | 1,011 |  |
Aggregate purchase price for homes | $ 331 |  |
Valuation adjustments | $ 737 | $ 56 | $ 8

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- Definition Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=123406679&loc=d3e25383-109308 + Details
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