Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2024 |
Jun. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
Dec. 31, 2023 |
|
| Tax Credit Carryforward [Line Items] | ||||||
| Effective tax rate (as a percent) | 20.30% | 23.50% | 19.00% | 24.30% | ||
| Unrecognized tax benefits that would affect the effective tax rate | $ 710 | $ 710 | $ 671 | |||
| Deferred tax asset, noncurrent | 3,900 | 3,900 | ||||
| Deferred tax assets valuation allowance | 1,100 | 1,100 | $ 700 | |||
| Undistributed earnings not permanently reinvested | $ 100 | |||||
| Deferred tax on undistributed foreign earnings | 1,000 | 1,000 | ||||
| PWS Settlement | ||||||
| Tax Credit Carryforward [Line Items] | ||||||
| Deferred tax assets | $ 3,000 | $ 3,000 | ||||