Organization and Basis of Presentation, Fair Value (Details) - USD ($) $ in Billions |
9 Months Ended | ||
|---|---|---|---|
Sep. 30, 2017 |
Oct. 30, 2017 |
Dec. 31, 2016 |
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions | |||
| Percent Of Trade Receivables With Balances greater than 90 days Outstanding | 1.00% | ||
| Percent of trade payables greater than 90 days outstanding | 4.00% | ||
| Debt, carrying value | $ 3.8 | $ 4.1 | |
| Debt, fair value | $ 4.0 | $ 4.3 | |
| Minimum | |||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions | |||
| Fair Value Assumptions, Expected Term | 90 days | ||
| Subsequent Event | WNRL Merger | |||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions | |||
| Equity Issued in Business Combination, Fair Value Disclosure | $ 1.7 |