diff --git a/src/vs/editor/common/modes.ts b/src/vs/editor/common/modes.ts
index d9863fff7fe7932b6d0c783ca561dc96cb26e754..d5284c24f0d2b0b09568ca2c1dade854665a3a0f 100644
--- a/src/vs/editor/common/modes.ts
+++ b/src/vs/editor/common/modes.ts
@@ -1544,6 +1544,7 @@ export interface AuthenticationSession {
 		id: string;
 	}
 	scopes: ReadonlyArray<string>;
+	idToken?: string;
 }
 
 /**
diff --git a/src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts b/src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts
index 120942e6f826b65a82504d76fa1343388baeec20..7796a8a328ecb5455d1df8b11623d8a977df7857 100644
--- a/src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts
+++ b/src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts
@@ -58,7 +58,7 @@ class UserDataSyncAccount implements IUserDataSyncAccount {
 	get sessionId(): string { return this.session.id; }
 	get accountName(): string { return this.session.account.label; }
 	get accountId(): string { return this.session.account.id; }
-	get token(): string { return this.session.accessToken; }
+	get token(): string { return this.session.idToken || this.session.accessToken; }
 }
 
 export class UserDataSyncWorkbenchService extends Disposable implements IUserDataSyncWorkbenchService {