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Deferred Revenue (Tables) | 3 Months Ended
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Mar. 31, 2024
Revenue from Contract with Customer [Abstract] |
Schedule of Changes in Deferred Revenue | The changes in our deferred revenue during the three months ended March 31, 2024 are as follows (in millions):
| Listings Revenues |  | Data Services and Other Revenues |  | Mortgage Technology |  | Total
Deferred revenue balance at January 1, 2024 | $ | 108 |  |  | $ | 93 |  |  | $ | 106 |  |  | $ | 307 |
Additions | 460 |  |  | 161 |  |  | 32 |  |  | 653 |
Amortization | (122) |  |  | (99) |  |  | (39) |  |  | (260) |
Deferred revenue balance at March 31, 2024 | $ | 446 |  |  | $ | 155 |  |  | $ | 99 |  |  | $ | 700 |
The changes in our deferred revenue during the three months ended March 31, 2023 are as follows (in millions):
| Listings Revenues |  | Data Services and Other Revenues |  | Mortgage Technology |  | Total
Deferred revenue balance at January 1, 2023 | $ | 115 |  |  | $ | 88 |  |  | $ | 51 |  |  | $ | 254 |
Additions | 470 |  |  | 159 |  |  | 14 |  |  | 643 |
Amortization | (127) |  |  | (89) |  |  | (20) |  |  | (236) |
Deferred revenue balance at March 31, 2023 | $ | 458 |  |  | $ | 158 |  |  | $ | 45 |  |  | $ | 661 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-10 + Details
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- References No definition available. + Details
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