Derivatives - Not Designated (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Derivatives not designated as hedging instruments | |||
| Gain (Loss) on Derivative Recognized in Income | $ 45 | $ (11) | $ (96) |
| Foreign currency exchange contracts | Cost of sales | |||
| Derivatives not designated as hedging instruments | |||
| Gain (Loss) on Derivative Recognized in Income | 2 | 2 | 13 |
| Foreign currency forward/options contracts | Interest expense | |||
| Derivatives not designated as hedging instruments | |||
| Gain (Loss) on Derivative Recognized in Income | $ 43 | $ (13) | $ (109) |