v3.22.0.1
Fair Value Disclosures - Fair Value of Financial Assets and Financial Liabilities (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Cash and cash equivalents [1] $ 9,323 $ 8,664
Long-term borrowings 7,446 7,264
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 9,323 8,664
Other assets 22 69
Carrying Amount [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Long-term borrowings 7,446 7,264
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 9,323 8,664
Other assets 22 69
Estimated Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Long-term borrowings $ 7,735 $ 7,883
[1]

At December 31, 2021, cash and cash equivalents, investments, other assets and other liabilities include $251 million, $3,968 million, $50 million and $1,919 million, respectively, related to consolidated variable interest entities (“VIEs”). At December 31, 2020, cash and cash equivalents, investments, other assets and other liabilities include $155 million, $4,253 million, $90 million and $952 million, respectively, related to consolidated VIEs.