Income Taxes - Tax Credit Investments Expenses and Related Income Tax Credits and Other Tax Benefits (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Income Tax Disclosure [Abstract] | ||
| Proportional amortization recognized in tax provision | $ 47 | $ 41 |
| Income tax credits and Other income tax benefits recognized in tax provision | $ 57 | $ 52 |