Organization and Basis of Presentation, Fair Value (Details) - USD ($) $ in Billions |
9 Months Ended | |
|---|---|---|
Sep. 30, 2016 |
Dec. 31, 2015 |
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions | ||
| Percent of trade receivables greater than 90 days outstanding outstanding | 1.00% | |
| Debt, carrying value | $ 3.4 | $ 2.9 |
| Debt, fair value | $ 3.6 | $ 2.8 |
| Maximum | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions | ||
| Percent of trade payables greater than 90 days outstanding | 1.00% | |
| Minimum | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions | ||
| Fair Value Assumptions, Expected Term | 90 days |