v3.26.1
Fair Value Disclosures - Fair Value of Financial Assets and Financial Liabilities (Detail) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents [1] $ 10,492 $ 11,468
Long-term borrowings 12,744 12,768
Carrying Amount [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents 10,492 11,468
Other assets 147 103
Carrying Amount [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term borrowings 12,744 12,768
Other liabilities 428 302
Estimated Fair Value [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents 10,492 11,468
Other assets 147 103
Estimated Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term borrowings 12,343 12,546
Other liabilities $ 428 $ 302
[1] At June 30, 2026, cash and cash equivalents, investments, other assets and other liabilities include $180 million, $9.5 billion, $42 million and $3.7 billion, respectively, related to consolidated variable interest entities (“VIEs”). At December 31, 2025, cash and cash equivalents, investments, other assets and other liabilities include $428 million, $8.5 billion, $76 million and $4.1 billion, respectively, related to consolidated VIEs.