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Fair Value Of Financial Instruments Unobservable Inputs Reconciliation (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Fair Value, Measurements, Recurring    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value at beginning of period $ 10  
Fair value at end of period 10  
Other Long-Term Liabilities | Contingent Consideration Liability | Fair Value, Measurements, Recurring    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value at beginning of period 10  
Fair value at end of period 10  
Cost of Sales [Member] | Fair Value, Nonrecurring [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Asset Impairment Charges $ 0 $ 0