Note 2 - Acquisitions 2014 Acquisitions (Details) - USD ($) $ in Millions |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
Sep. 30, 2014 |
Jul. 01, 2014 |
Jun. 23, 2014 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Acquisition | ||||||
| Distributions in connection with acquisitions from Tesoro | $ 760 | $ 250 | $ 243 | |||
| West Coast Logistics Assets | ||||||
| Acquisition | ||||||
| Business acquisition, date of acquisition agreement | Jun. 23, 2014 | |||||
| Purchase price | $ 270 | |||||
| Phase One | West Coast Logistics Assets | ||||||
| Acquisition | ||||||
| Purchase price | $ 241 | |||||
| Effective date of acquisition | Jul. 01, 2014 | |||||
| Distributions in connection with acquisitions from Tesoro | $ 214 | |||||
| Equity consideration, value | $ 27 | |||||
| Phase Two | West Coast Logistics Assets | ||||||
| Acquisition | ||||||
| Effective date of acquisition | Sep. 30, 2014 | |||||
| Distributions in connection with acquisitions from Tesoro | $ 29 | |||||
| Common | Phase One | West Coast Logistics Assets | ||||||
| Acquisition | ||||||
| Equity consideration, number of units (units) | 370,843 | |||||
| General Partner | Phase One | West Coast Logistics Assets | ||||||
| Acquisition | ||||||
| Equity consideration, number of units (units) | 8,856 | |||||