Shareholder Report

6 Months Ended

Jun. 30, 2025

USD ($)

Holding

Shareholder Report [Line Items]

Document Type

N-CSRS

Amendment Flag

false

Registrant Name

Columbia Funds Variable Insurance Trust

Entity Central Index Key

0000815425

Entity Investment Company Type

N-1A

Document Period End Date

Jun. 30, 2025

Variable Portfolio – Managed Risk U.S. Fund - Class 2

Shareholder Report [Line Items]

Fund Name

Variable Portfolio – Managed Risk U.S. Fund

Class Name

Class 2

No Trading Symbol Flag

true

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about Variable Portfolio – Managed Risk U.S. Fund (the Fund) for the period of January 1, 2025 to June 30, 2025.

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)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class 2	$24	0.48%(a)

(a) Annualized.

Expenses Paid, Amount

$ 24

Expense Ratio, Percent

0.48%

^[1]

Net Assets

$ 401,762,799

Holdings Count | Holding

36

Investment Company, Portfolio Turnover

66.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Fund net assets	$401,762,799
Total number of portfolio holdings	36
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 Exposure

	Long
Credit Risk	2.7%
Equity Risk	4.0%
Interest Rate Risk	2.8%
	Short
Equity Risk	29.9%
Interest Rate Risk	0.4%

Asset Categories

[1] Annualized.