v3.5.0.2

Note 12 - Equity Equity, Subordinated Unit Conversion and ATM Program (Details) - USD ($) $ in Millions |  | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 24, 2015 | Aug. 31, 2014 | Sep. 30, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Net proceeds from issuance of units (dollars) |  | $ 142 |  | $ 99 | $ 1,478 | $ 709
Subordinated units effective conversion date |  |  |  | May 16, 2014 |  |
General partner units issued or outstanding (units) |  |  |  | 1,900,515 | 1,631,448 |
General partner’s ownership interest |  |  |  | 2.00% | 2.00% | 2.00%
Partners' capital account, units converted |  |  |  |  | 0 |
Equity instrument regulatory filing date |  |  |  | Jun. 25, 2014 |  |
Common units, aggregate value |  |  |  | $ 750 | $ 200 |
Public-owned common units |  |  |  |  |  |
Common units outstanding (units) |  |  |  | 61,033,211 |  |
Tesoro-owned common units |  |  |  |  |  |
Common units outstanding (units) |  |  |  | 32,445,115 |  |
General Partner |  |  |  |  |  |
Net proceeds from issuance of units (dollars) |  |  |  | $ 4 | $ 29 | $ 8
General partner units issued or outstanding (units) |  |  |  | 1,900,515 |  |
Partners' capital account, units converted |  |  |  |  | 0 |
Subordinated |  |  |  |  |  |
Net proceeds from issuance of units (dollars) |  |  |  | $ 0 | $ 0 | $ 9
Partners' capital account, units converted |  |  |  |  | (15,300,000) |
Tesoro |  |  |  |  |  |
Limited partnership, ownership interest |  |  |  | 36.00% |  |
2014 ATM Program |  |  |  |  |  |
Units issued in equity offering (units) |  |  |  | 819,513 |  |
Net proceeds from issuance of units (dollars) |  |  |  | $ 46 |  |
2015 ATM Program |  |  |  |  |  |
Units issued in equity offering (units) |  |  | 1,492,637 | 1,137,533 |  |
Net proceeds from issuance of units (dollars) |  |  | $ 72 | $ 59 |  |
Equity instrument regulatory filing date | Aug. 24, 2015 |  |  |  |  |
Common units, aggregate value | $ 750 |  |  |  |  |

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