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Shareholder Report
 6 Months Ended
Jun. 30, 2024
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Columbia Funds Variable Series Trust II
Entity Central Index Key 0001413032
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2024
Columbia Variable Portfolio – Commodity Strategy Fund Class 1  
Shareholder Report [Line Items]  
Fund Name Columbia Variable Portfolio – Commodity Strategy Fund
Class Name Class 1
No Trading Symbol Flag true
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Variable Portfolio – Commodity Strategy Fund (the Fund) for the period of January 1, 2024 to June 30, 2024.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at
columbiathreadneedleus.com/resources/literature
. You can also request more information by contacting us at
1-800-345-6611.
Additional Information Phone Number 1-800-345-6611
Additional Information Website columbiathreadneedleus.com/resources/literature
Expenses [Text Block]
What were the Fund costs for the reporting period?
(Based on a hypothetical $10,000 investment)
ClassCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class 1
$
39		0.76
%
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.76%
Net Assets $ 109,174,581
Holdings Count | Holding 305
Investment Company, Portfolio Turnover 66.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund net
assets
$
109,174,581
Total number of portfolio holdings305
Portfolio turnover for the reporting period 66%
Holdings [Text Block]
Graphical Representation of Fund
 
Holdings
The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.
Derivative Commodities Exposure
Long
Agriculture30.9
%
Energy35.2
%
Industrial Metals16.2
%
Livestock7.4
%
Precious Metals20.5
%
Asset Categories
Graphical Representation - Allocation 1 Chart
Columbia Variable Portfolio – Commodity Strategy Fund Class 2  
Shareholder Report [Line Items]  
Fund Name Columbia Variable Portfolio – Commodity Strategy Fund
Class Name Class 2
No Trading Symbol Flag true
Annual or Semi-Annual Statement [Text Block] This
semiannual shareholder report
contains important information about Columbia Variable Portfolio – Commodity Strategy Fund (the Fund) for the period of January 1, 2024 to June 30, 2024.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at
columbiathreadneedleus.com/resources/literature
. You can also request more information by contacting us at
1-800-345-6611.
Additional Information Phone Number 1-800-345-6611
Additional Information Website columbiathreadneedleus.com/resources/literature
Expenses [Text Block]
What were the Fund costs for the reporting period?
(Based on a hypothetical $10,000 investment)
ClassCosts of a $10,000 investmentCosts paid as a percentage of a $10,000 investment
Class 2
$
52		1.01
%
Expenses Paid, Amount $ 52
Expense Ratio, Percent 1.01%
Net Assets $ 109,174,581
Holdings Count | Holding 305
Investment Company, Portfolio Turnover 66.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
Fund net
assets
$
109,174,581
Total number of portfolio holdings305
Portfolio turnover for the reporting period 66%
Holdings [Text Block]
Graphical Representation of Fund
 
Holdings
The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.
Derivative Commodities Exposure
Long
Agriculture30.9
%
Energy35.2
%
Industrial
Metals		16.2
%
Livestock7.4
%
Precious Metals20.5
%
Asset Categories
Graphical Representation - Allocation 1 Chart