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ACQUISITIONS - Intangible Assets Acquired (Details) - USD ($) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Sep. 01, 2022 | Feb. 15, 2022 | Dec. 31, 2023
Customer relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Useful Life |  |  | 6 years
Zenefits |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets acquired |  | $ 96 |
Zenefits | Acquired technology |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets acquired |  | $ 56 |
Estimated Useful Life |  | 6 years |
Zenefits | Customer relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets acquired |  | $ 40 |
Estimated Useful Life |  | 7 years |
Zenefits | Customer relationships | Minimum |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Useful Life | 3 years |  |
Zenefits | Customer relationships | Maximum |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Useful Life | 5 years |  |
Clarus |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets acquired | $ 14 |  |
Clarus | Acquired technology |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets acquired | $ 9 |  |
Estimated Useful Life | 6 years |  |
Clarus | Customer relationships |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets acquired | $ 5 |  |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-1 + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-1 + Details
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