Income Taxes Income Tax Examination (Details) - Various federal, state and non-US statute of limitations expirations and settlements [Member] $ in Millions |
3 Months Ended |
---|---|
Sep. 30, 2019
USD ($)
| |
Income Tax Examination [Line Items] | |
Tax Settlement Gain (Loss) Noncash | $ 18 |
Interest Income [Member] | |
Income Tax Examination [Line Items] | |
Tax Settlement Gain (Loss) Noncash | $ 5 |