Quarterly report pursuant to Section 13 or 15(d)

Goodwill - Fair Value Measurement Inputs and Valuation Techniques For Goodwill (Detail)

v3.22.2.2
Goodwill - Fair Value Measurement Inputs and Valuation Techniques For Goodwill (Detail)
Sep. 30, 2022
Jun. 30, 2022
Dec. 31, 2021
Measurement Input Risk Adjusted Discount Rate [Member] | Broadcast Networks Enterprise Valuations [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage   9.5 8.5
Measurement Input Risk Adjusted Discount Rate [Member] | Digital [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage 10.5 10.5 9.5
Measurement Input Risk Adjusted Discount Rate [Member] | Publishing [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage 10.5 10.5 9.5
Measurement Input Operating Profit Margin [Member] | Publishing [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage 2.7    
Long-term Revenue Growth Rate [Member] | Digital [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage 0.5 0.5 0.5
Long-term Revenue Growth Rate [Member] | Publishing [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage 0.5 0.5 0.5
Long-term Revenue Growth Rate [Member] | Radio Clusters [Member] | Broadcast Networks Enterprise Valuations [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage   0.4 0.4
Minimum [Member] | Measurement Input Operating Profit Margin [Member] | Digital [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage 29 28.5 25.3
Minimum [Member] | Measurement Input Operating Profit Margin [Member] | Publishing [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage 0.5 0.5 2.4
Minimum [Member] | Measurement Input Operating Profit Margin [Member] | Radio Clusters [Member] | Broadcast Networks Enterprise Valuations [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage   (7.8) (1.4)
Maximum [Member] | Measurement Input Operating Profit Margin [Member] | Digital [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage 33.55 32.9 28.5
Maximum [Member] | Measurement Input Operating Profit Margin [Member] | Publishing [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage   3 5.2
Maximum [Member] | Measurement Input Operating Profit Margin [Member] | Radio Clusters [Member] | Broadcast Networks Enterprise Valuations [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Intangible asset measurement input percentage   15 15