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Fair Value Information - Schedule of Percentage Decrease in Discount for Lack of Marketability or Noncontrolling Interests Discount (Detail)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Growth rate of long-term revenue 0.12% 0.19%
Bottom of Range [Member]    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Discount for lack of marketability 20.00% 3.75%
Noncontrolling interests discount 15.00% 17.01%
Discount rate 8.32% 7.11%
Top of Range [Member]    
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items]    
Discount for lack of marketability 30.00% 20.00%
Noncontrolling interests discount 29.04% 25.00%
Discount rate 14.40% 8.20%