XML 119 R106.htm IDEA: XBRL DOCUMENT v3.23.1
Fair Values of Assets and Liabilities - Balances of Assets and Liabilities Measured at Fair Value on Recurring Basis (Parenthetical) (Detail) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Fair Value Disclosures [Abstract]    
Equity investments without readily determinable fair values $ 106 $ 104