v3.3.1.900

Commitments and Contingencies (Details) - USD ($) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Jan. 30, 2014 | May. 01, 2012 | Dec. 31, 2015 | Dec. 31, 2014
Changes in Environmental Loss Contingency |  |  |  |
Balance at beginning of year |  |  | $ 32 |
Additions |  |  | 25 |
Expenditures |  |  | (24) |
Balance at end of year |  |  | 33 | $ 32
Aggregate annual deductible |  |  | 1 |
Environmental liability insurance deductible |  |  | 1 |
Environmental liabilities insurance coverage limit |  |  | $ 150 |
Site contingency, accrual assumptions |  |  | Our environmental liabilities are estimates using internal and third-party assessments and available information to date. It is possible these estimates will change as additional information becomes available. |
Tioga Crude Oil Pipeline Release |  |  |  |
Changes in Environmental Loss Contingency |  |  |  |
Balance at beginning of year |  |  | $ 25 |
Additions |  |  | 24 |
Expenditures |  |  | (22) |
Balance at end of year |  |  | 27 | 25
Insurance settlement receivable |  |  | 0 | 18
Environmental remediation expense |  |  | 66 |
Environmental liability insurance deductible |  |  | 1 |
Environmental liabilities insurance coverage limit |  |  | 25 |
Excess remediation costs over loss limit |  |  | 41 |
Proceeds from insurance reimbursement |  |  | 18 | $ 7
Chevron Corrective Action Order |  |  |  |
Changes in Environmental Loss Contingency |  |  |  |
Diesel Pipeline Release detection and response date |  |  |  | March 18, 2013
Other Liabilities |  |  |  |
Changes in Environmental Loss Contingency |  |  |  |
Balance at beginning of year |  |  | 7 |
Additions |  |  | 1 |
Expenditures |  |  | (2) |
Balance at end of year |  |  | $ 6 | $ 7
PHMSA | Chevron Corrective Action Order |  |  |  |
Changes in Environmental Loss Contingency |  |  |  |
Regulatory action issuance date |  |  |  | Mar. 22, 2013
Los Angeles Logistics Assets Acquisition |  |  |  |
Changes in Environmental Loss Contingency |  |  |  |
Years to identify conditions after the date of purchase (years) |  |  | 10 years |
Los Angeles Terminal Assets Acquisition |  |  |  |
Changes in Environmental Loss Contingency |  |  |  |
Years to identify conditions after the date of purchase (years) |  |  | 5 years |
Northwest Products System |  |  |  |
Changes in Environmental Loss Contingency |  |  |  |
Balance at beginning of year |  |  | $ 6 |
Balance at end of year |  |  | 4 | $ 6
Questar Gas Company v. QEP Field Services Company |  |  |  |
Changes in Environmental Loss Contingency |  |  |  |
Complaint filing date |  | May 1, 2012 |  |
Disputed amount netted from gathering fees |  |  | 20 |
Liability for estimated damages |  |  | $ 21 |
XTO Energy Inc. v. QEP Field Services Company |  |  |  |
Changes in Environmental Loss Contingency |  |  |  |
Complaint filing date | January 30, 2014 |  |  |

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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 + Details
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