Income Taxes - Additional Information (Detail) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
|
| Income Taxes Disclosure [Line Items] | ||||
| Decrease in unrecognized tax benefits within the next twelve months | $ 70 | $ 70 | ||
| Increase in unrecognized tax benefits within the next twelve months | $ 20 | $ 20 | ||
| Effective tax rate | (8.20%) | 25.70% | 11.00% | 22.70% |
| U.S. corporate income tax rate | 21.00% | |||
| Tax Years 2013-2015 [Member] | ||||
| Income Taxes Disclosure [Line Items] | ||||
| Amount of potential additional income tax expense related to an IRS notice of proposed adjustment subject to interest and penalties. | $ 370 | $ 370 | ||
| Tax Years 2016-2019 [Member] | ||||
| Income Taxes Disclosure [Line Items] | ||||
| Amount of potential additional income tax expense related to an IRS notice of proposed adjustment subject to interest | $ 312 | $ 312 | ||