Restructuring, Business Transformation and Other Cost Saving Initiatives - Narrative (Details) $ in Millions		3 Months Ended	9 Months Ended
	Sep. 26, 2023 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2023 USD ($) Employee
Reata Pharmaceuticals, Inc
Restructuring Cost and Reserve [Line Items]
Severance Costs		$ 21.0	$ 21.0
Reata Pharmaceuticals, Inc | Restructuring charges
Restructuring Cost and Reserve [Line Items]
Expected cost		30.0	$ 30.0
2023 Cost Saving Initiatives
Restructuring Cost and Reserve [Line Items]
Expected operating expense reduction	$ 1,000.0
Expected number of positions eliminated | Employee			1,000
Severance Costs		37.7	$ 62.6
2023 Cost Saving Initiatives | Restructuring charges
Restructuring Cost and Reserve [Line Items]
Severance Costs		$ 37.7	$ 62.6