Taxes - Income Tax Assessments (Details) $ in Millions |
3 Months Ended |
|---|---|
|
Dec. 31, 2020
USD ($)
| |
| Income tax examination | |
| Possible additional taxable income based on IRS assessment | $ 4,500 |
| India Tax Authorities | |
| Income tax examination | |
| Prepaid income taxes | $ 742 |