General Motors Will Switch Health Plan Administrator
The company will move 40,000 salaried employees to Aetna starting in 2027.
Updated on Oct. 8, 2026 in Healthcare
Live Poll
Do you believe switching corporate health insurance administrators typically benefits or harms the average employee?
General Motors announced it will replace Blue Cross Blue Shield with Aetna as the health insurance administrator for approximately 40,000 non-UAW employees. The transition will become effective on January 1, 2027.
Why it matters
General Motors, which is self-insured, stated the switch is intended to simplify support for its salaried workforce. The change follows a long-standing relationship between the automaker and Blue Cross Blue Shield of Michigan.
The change impacts 40,000 non-UAW employees, while over 100,000 UAW-represented workers will continue their coverage through Blue Cross Blue Shield. The new administrative structure will apply to 2027 health insurance plans.
The players
General Motors
General Motors is a major American multinational automotive manufacturing company headquartered in Detroit.
Aetna
Aetna is a prominent health insurance provider that is a subsidiary of CVS Health.
Blue Cross Blue Shield of Michigan
Blue Cross Blue Shield of Michigan is a non-profit health insurance organization serving residents and businesses in the state.
Dana Nessel
Dana Nessel is the Attorney General of Michigan who recently filed a lawsuit against Blue Cross Blue Shield.
The details
General Motors notified staff of the move during the week of October 8, 2026, noting that the transition is not expected to significantly alter current provider networks or insurance plan designs.
Timeline
October 8, 2026: Employees were notified of the administrative change.
October 21, 2026: The open enrollment period for 2027 plans begins.
January 1, 2027: The move to Aetna becomes effective.
Market Landscape
This transition marks a significant shift in a decades-long relationship between the automaker and its Michigan-based administrator. The move also occurs as Blue Cross Blue Shield faces legal action initiated by the Michigan Attorney General.
Salaried employees should prepare for the upcoming open enrollment period beginning in late October to review potential changes to their benefits access. The company has indicated that current provider networks are expected to remain stable despite the administrative switch.
The takeaway
Large employers frequently re-evaluate administrative partnerships to streamline internal operations and improve employee support services. Employees should participate in the upcoming enrollment window to confirm their specific coverage details for the new year.
What happens next
Open enrollment for the 2027 health insurance plans for affected General Motors employees is scheduled to begin on October 21, 2026.
Further reading
For more information on employee benefits trends, visit Healthcare.
Source note: This article includes information reported by Detroit Free Press.
Live Poll
Do you believe switching corporate health insurance administrators typically benefits or harms the average employee?
