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      id="apid_7d549d65-30a3-4057-ad4f-fea41d2afee0">2026-08-10</dei:DocumentPeriodEndDate>
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    <dei:EntityRegistrantName
      contextRef="D_10Aug2026_10Aug2026"
      id="apid_4cdd16b3-2f0a-44b3-a9fc-4fdb42c005ab">NYLIAC VARIABLE ANNUITY SEPARATE ACCOUNT-III</dei:EntityRegistrantName>
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      contextRef="C000221968_AccidentalDeathBenefitRiderMember"
      id="bcc20d57-90de-43bb-9792-346c956db9e8">&lt;span style="color:#000000;font-family:Arial;font-size:10pt;"&gt;As an annualized percentage of the ADBR Reset Value (for policyowners aged 75 or younger at the time the application was signed).&lt;/span&gt;</vip:OptionalBenefitsFootnotesTextBlock>
    <vip:OptionalBenefitExpenseOfBenefitBaseMaximumPercent
      contextRef="C000221968_AnnualDeathBenefitResetADBRRiderMember"
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      id="x_8911dde6-ed3a-4c9c-8b4f-44569247f72a"
      unitRef="pure">0.0100</vip:OptionalBenefitExpenseOfBenefitBaseMaximumPercent>
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      contextRef="C000221968_ADBRRiderChargeage75oryoungerMember"
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      id="ecccbd9c-c1af-4b71-9b84-b412cedf1c3e"
      unitRef="pure">0.0025</vip:OptionalBenefitExpenseOfBenefitBaseCurrentPercent>
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      contextRef="C000221968_ADBRRiderChargeage76to80Member"
      decimals="4"
      id="x_2733c85d-9927-43fb-bb32-7485f79e852d"
      unitRef="pure">0.0050</vip:OptionalBenefitExpenseOfBenefitBaseCurrentPercent>
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      contextRef="C000221968_AnnualDeathBenefitResetADBRRiderMember"
      id="e47c861e-9dbf-41be-953d-3278950eb6f3">&lt;span style="color:#000000;font-family:Arial;font-size:10pt;"&gt;For policies issued prior to August 10, 2026, only available at time of application to policyowners aged 75 or younger. For policies issued on or after August 10, 2026, only available at time of application to policyowners aged 80 or younger.&lt;/span&gt;</vip:BriefRestrictionsLimitationsTextBlock>
    <vip:OperationOfBenefitTextBlock
      contextRef="C000221968_AnnualDeathBenefitResetADBRRiderMember"
      id="x_1fd32276-281a-474f-8846-14d16cdcbd4a">&lt;span style="color:#000000;font-family:Arial;font-size:10pt;"&gt;For policies issued prior to August 10, 2026, the ADBR Rider was available only at time of application, in jurisdictions where approved, to policyowners aged 75 or younger; for policies issued on or after August 10, 2026, the ADBR Rider is available only at time of application, in jurisdictions where approved, to policyowners aged 80 or younger.&lt;/span&gt;</vip:OperationOfBenefitTextBlock>
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      contextRef="C000221968_AnnualDeathBenefitResetADBRRiderMember"
      id="x_3830c395-3271-4cfa-a887-ee92deb55ff0">&lt;span style="color:#000000;font-family:Arial;font-size:10pt;"&gt;We have set forth below an example of how the ADBR Rider works and how the ADBR Reset Value Proportional Reductions is calculated for an owner who is age 63. The current annual rider charge is 0.25% (for policies applied for on or after May 1, 2016 to policyowners aged 75 or younger at the time the application is signed) of the ADBR Reset Value as of the last Policy Anniversary, deducted quarterly.&lt;/span&gt;</vip:CalculationMethodOfBenefitTextBlock>
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