v3.7.0.1

Derivative Instruments (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016
Derivatives, Fair Value [Line Items] |  |  |
Total loss to be reclassified during next 12 months | $ 29 |  |
Margin cash collateral received from counterparties that was not offset against derivative assets | 11 |  | $ 5
Margin cash collateral provided to counterparties that was not offset against derivative assets or liabilities | 160 |  | $ 129
Reclassification out of Accumulated Other Comprehensive Income [Member] | Interest Expense [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Reclassification out of AOCI into interest expense, before tax | 2 | $ 15 |
Reclassification out of AOCI into interest expense, net of tax | $ 1 | $ 9 |

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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + Details
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