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Financial Instruments - Foreign Currency Derivative Contract (Details) - Foreign currency € in Millions, ₩ in Millions, ¥ in Millions, ¥ in Millions, £ in Millions, zł in Millions, Ft in Millions, $ in Millions, $ in Millions | Jun. 30, 2020 EUR (€) | Jun. 30, 2020 USD ($) | Jun. 30, 2020 GBP (£) | Jun. 30, 2020 CNY (¥) | Jun. 30, 2020 HUF (Ft) | Jun. 30, 2020 JPY (¥) | Jun. 30, 2020 PLN (zł) | Jun. 30, 2020 KRW (₩) | Jun. 30, 2020 MXN ($) | Dec. 31, 2019 EUR (€) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 GBP (£) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2019 HUF (Ft) | Dec. 31, 2019 JPY (¥) | Dec. 31, 2019 PLN (zł) | Dec. 31, 2019 KRW (₩) | Dec. 31, 2019 MXN ($)
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Brazilian real | Maturity March 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount | € 0 |  |  |  |  |  |  |  |  | € 1 |  |  |  |  |  |  |  |
British pound | Maturity March 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount | $ |  | $ 0 |  |  |  |  |  |  |  |  | $ 4 |  |  |  |  |  |  |
British pound | Maturity March 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount | 13 |  |  |  |  |  |  |  |  | 9 |  |  |  |  |  |  |  |
Chinese renminbi | Maturity December 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount | $ |  | 4 |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |
Euro | Maturity December 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount |  | 7 |  |  |  | ¥ 181 | zł 110 |  |  |  | 18 |  |  |  | ¥ 383 | zł 0 |  |
Euro | Maturity January 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount |  |  | £ 2 |  | Ft 1,289 |  |  |  |  |  |  | £ 0 |  | Ft 0 |  |  |  |
Euro | Maturity October 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount | ¥ |  |  |  | ¥ 7 |  |  |  |  |  |  |  |  | ¥ 0 |  |  |  |  |
Indian rupee | Maturity July 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount | ¥ |  |  |  |  |  | 19 |  |  |  |  |  |  |  |  | 0 |  |  |
Japanese yen | Maturity December 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount | ₩ |  |  |  |  |  |  |  | ₩ 2,514 |  |  |  |  |  |  |  |  | ₩ 0 |
Japanese yen | Maturity July 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount | ¥ |  |  |  | ¥ 7 |  |  |  |  |  |  |  |  | ¥ 0 |  |  |  |  |
Korean won | Maturity December 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount | 7 | $ 28 |  |  |  | ¥ 355 |  |  |  | 13 | $ 4 |  |  |  | ¥ 409 |  |  |
Swedish krona | Maturity January 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount | 0 |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |
US dollar | Maturity March 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount | $ |  |  |  |  |  |  |  |  | $ 343 |  |  |  |  |  |  |  |  | $ 0
US dollar | Maturity December 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency notional amount | € 1 |  |  |  |  |  |  |  |  | € 14 |  |  |  |  |  |  |  |

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