v3.25.2
Fair Value Disclosures - Fair Value of Financial Assets and Financial Liabilities (Detail) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Cash and cash equivalents [1] $ 9,478 $ 12,762
Long-term borrowings 12,762 12,314
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 9,478 12,762
Other assets 104 86
Carrying Amount [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Long-term borrowings 12,762 12,314
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 9,478 12,762
Other assets 104 86
Estimated Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Long-term borrowings $ 12,449 $ 11,680
[1] At June 30, 2025, cash and cash equivalents, investments, other assets and other liabilities include $196 million, $6.0 billion, $128 million and $2.3 billion, respectively, related to consolidated variable interest entities (“VIEs”). At December 31, 2024, cash and cash equivalents, investments, other assets and other liabilities include $125 million, $5.1 billion, $45 million and $2.1 billion, respectively, related to consolidated VIEs.