v3.22.1
Fair Value Disclosures - Fair Value of Financial Assets and Financial Liabilities (Detail) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Cash and cash equivalents [1] $ 7,262 $ 9,323
Long-term borrowings 7,430 7,446
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 7,262 9,323
Other assets 29 22
Carrying Amount [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Long-term borrowings 7,430 7,446
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 7,262 9,323
Other assets 29 22
Estimated Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Long-term borrowings $ 7,253 $ 7,735
[1] At March 31, 2022, cash and cash equivalents, investments, other assets and other liabilities include $332 million, $4,180 million, $67 million, and $2,165 million, respectively, related to consolidated variable interest entities (“VIEs”). 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 VIEs.