v3.19.3.a.u2
Fair Value Disclosures - Fair Value of Financial Assets and Financial Liabilities (Parenthetical) (Detail) - USD ($)
$ / shares in Units, $ in Millions
Dec. 31, 2019
Dec. 31, 2018
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Cash and cash equivalents [1] $ 4,829 $ 6,488
Money market valuation per share floor $ 1.00  
Money Market Funds [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Cash and cash equivalents $ 674 $ 173
[1] For 2019, cash and cash equivalents, investments, other assets and other liabilities include $131 million, $3,301 million, $68 million, and $820 million, respectively, related to consolidated variable interest entities (“VIEs”). For 2018, cash and cash equivalents, investments, other assets and other liabilities include $186 million, $2,680 million, $876 million, and $1,374 million, respectively, related to consolidated VIEs