The proposal includes universal preschool and new money for elderly care, as well as $555 billion to address climate change.

Yet as details for the framework trickled out, lawmakers were privately pessimistic that progressives would support a plan that left out many of their key priorities, like paid family leave and allowing Medicare to negotiate the prices of prescription drugs.

Administration officials said they were agnostic on when Congress would vote on both plans and that they would leave the timing to Pelosi—a recognition that support for both plans was far from assured.