v3.24.2.u1
Fair Value of Financial Instruments (Narrative) (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Percentage of level 3 assets at fair value in total assets measured at fair value value 5.00%   5.00%   7.00%
Percentage of level 3 liabilities at fair value in total liabilities measured at fair value 99.00%   99.00%   99.00%
Gain (loss) on cumulative changes in instrument-specific credit risk of liabilities elected under the fair value option $ (137)   $ (137)   $ (139)
Instrument-specific credit risk of liabilities measured at fair value, net [Member]          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Gain (loss) on cumulative changes in instrument-specific credit risk of liabilities elected under the fair value option 25   25   (1)
Gain (loss) on instrument-specific credit risk recognized in earnings (9) $ (20) (28) $ (34)  
Cross Currency Swap [Member]          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Derivative notional amount $ 37   $ 37   $ 39