Long-Term Debt and Short-Term Borrowings - Long-Term Debt Maturities (Details) € in Millions, $ in Millions |
1 Months Ended | 3 Months Ended | ||||
|---|---|---|---|---|---|---|
|
Nov. 30, 2018
EUR (€)
|
Aug. 31, 2018
USD ($)
|
Jun. 30, 2017
USD ($)
|
Sep. 30, 2016
USD ($)
|
Dec. 31, 2017
USD ($)
|
Oct. 31, 2017
USD ($)
|
|
| Debt instrument | ||||||
| Debt repurchases | $ 305 | |||||
| Loss on early debt extinguishment | $ 96 | |||||
| Repayment of debt | € 500 | $ 450 | ||||
| Fixed rate medium term notes repaid June 2017 | ||||||
| Debt instrument | ||||||
| Repayment of debt | $ 650 | |||||
| Notes Due 2028 | ||||||
| Debt instrument | ||||||
| Debt repurchases | 110 | |||||
| Principal amount | $ 330 | |||||
| Interest rate, stated percentage (as a percent) | 6.375% | |||||
| Notes Due 2037 | ||||||
| Debt instrument | ||||||
| Debt repurchases | $ 195 | |||||
| Principal amount | $ 750 | |||||
| Interest rate, stated percentage (as a percent) | 5.70% | |||||
| Fixed rate medium term notes repaid 2016 | ||||||
| Debt instrument | ||||||
| Repayment of debt | $ 1,000 | |||||