Organization and Business (Details) - Andermatt-Sedrun SFr in Millions	Mar. 28, 2022 CHF (SFr)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business Acquisition, Percentage of Voting Interests Acquired	55.00%
Payments to Acquire Businesses and Interest in Affiliates	SFr 149
Business Acquisition, Percentage of Voting Interests Acquired	55.00%
Payments to Acquire Businesses and Interest in Affiliates	SFr 149