v3.2.0.727

Derivative Instruments (Details 2) (Details) - USD ($) $ in Millions | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Derivative assets, current | $ 1,607 | $ 2,058
Long-term derivative assets | 637 | 439
Total derivative assets | 2,244 | 2,497
Derivative liabilities, current | 1,407 | 1,782
Long-term derivative liabilities | 453 | 444
Total derivative liabilities | 1,860 | 2,226
Derivative, Fair Value, Net | 384 | 271
Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Total derivative assets | 3 | 4
Total derivative liabilities | 105 | 112
Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Total derivative assets | 2,241 | 2,493
Total derivative liabilities | 1,755 | 2,114
Interest Rate Swap [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets, current | 0 | 0
Derivative Assets, Noncurrent | 3 | 4
Total derivative assets | 3 | 4
Current derivative liabilities | 42 | 44
Derivative Liabilities, Noncurrent | 63 | 70
Total derivative liabilities | 105 | 114
Derivative, Fair Value, Net | (102) | (110)
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Total derivative assets | 3 | 4
Total derivative liabilities | 105 | 112
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Total derivative assets | 0 | 0
Total derivative liabilities | 0 | 2
Energy Related Derivative [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets, current | 1,607 | 2,058
Derivative Assets, Noncurrent | 634 | 435
Total derivative assets | 2,241 | 2,493
Current derivative liabilities | 1,365 | 1,738
Derivative Liabilities, Noncurrent | 390 | 374
Total derivative liabilities | 1,755 | 2,112
Derivative, Fair Value, Net | 486 | 381
Energy Related Derivative [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Total derivative assets | 2,241 | 2,493
Total derivative liabilities | $ 1,755 | $ 2,112

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- Definition Fair value of liability arising from contracts that meet the criteria of being accounted for as derivative instruments, financial instrument or contract used to mitigate a specified risk (hedge), energy marketing activities (trading activities), expected to be settled after one year or beyond the normal operating cycle, if longer. Examples of energy marketing activities include, but are not limited to, trading of electricity, coal, natural gas and oil using financial instruments, including, but not limited to, forward contracts, options and swaps. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13495-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611 + Details
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