how to set idle session timeout for for teams, forms,stream, planner and other 365 apps in browser

Marvin Oco Hello Marvin, Microsoft retired the configurable token lifetime feature for refresh and session token lifetimes on January 30, 2021 and replaced it with the Conditional Access authentication session management feature. You can still configure access, SAML, and ID token lifetimes after the refresh and session token configuration retirement.

Configure authentication session management with Conditional Access

https://docs.microsoft.com/en-us/azure/active-directory/conditional-access/howto-conditional-access-session-lifetime 

Token lifetime policies for refresh tokens and session tokens

https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-configurable-token-lifetimes#token-lifetime-policies-for-refresh-tokens-and-session-tokens 

Configurable token lifetime properties after the retirement

https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-configurable-token-lifetimes#configurable-token-lifetime-properties-after-the-retirement