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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
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Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] |  |
Growth rate of long-term revenue | 0.19% | 0.19%
Bottom of Range [Member] |  |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] |  |
Discount for lack of marketability | 3.75% | 14.09%
Noncontrolling interests discount | 17.01% | 17.29%
Discount rate | 7.11% | 7.20%
Top of Range [Member] |  |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] |  |
Discount for lack of marketability | 20.00% | 20.00%
Noncontrolling interests discount | 25.00% | 25.00%
Discount rate | 8.20% | 8.80%

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