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Restructuring and Other Costs - Narrative (Details) - USD ($)
Oct. 01, 2021
Dec. 31, 2020
December 2020 Plan    
Restructuring Cost and Reserve [Line Items]    
Expected cost of restructuring   $ 20,000,000
Cumulative restructuring cost incurred to date $ 17,000,000  
November 2019 Plan    
Restructuring Cost and Reserve [Line Items]    
Cumulative restructuring cost incurred to date 516,000,000  
November 2019 Plan | Equity-Based Severance Program    
Restructuring Cost and Reserve [Line Items]    
Cumulative restructuring cost incurred to date $ 127,000,000