Related Party Transactions (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
|
| Significant transactions with related parties | ||
| Related Party Revenue | $ 17 | $ 21 |
| Related Party Purchases | 0 | 21 |
| Operating expenses and selling, general and administrative expenses | 15 | 14 |
| Net interest (income) expense | $ (2) | $ (4) |