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Derivative Liabilities - Narrative (Details) - shares shares in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Derivative [Line Items] |  |
Earnout shares outstanding (in shares) | 5 | 5
Public warrants |  |
Derivative [Line Items] |  |
Warrants outstanding (in shares) | 12 | 12
Private placement warrants |  |
Derivative [Line Items] |  |
Warrants outstanding (in shares) | 9 | 9

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- Definition Derivative Instrument, Contingent Consideration Liability, Earnout Shares, Outstanding + References No definition available. + Details
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Namespace Prefix: | aur_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- Definition Number of warrants or rights outstanding. + References No definition available. + Details
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Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 20 -Name Accounting Standards Codification -Section 25 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |