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Summary of Significant Principles - Derivatives (Details)
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12 Months Ended |
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Dec. 31, 2014
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| Accounting Policies [Abstract] | |
| Terminated cash flow hedges, maximum length of time over which forecasted transactions are hedges | 25 years |
| Terminated cash flow hedges, maximum length of time over which forecasted transactions are hedged for substantial number | 10 years |
| For open or future cash flow hedges, maximum length of time over which forecasted transactions hedged | 7 years |
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- Definition
Open or Future Cash Flow Hedges, Maximum Length of Time over Which Forecasted Transactions Hedged No definition available.
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- Definition
Terminated Cash Flow Hedges, Length of Time Over Which Forecasted Transactions Are Substantially Hedged No definition available.
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- Definition
Terminated Cash Flow Hedges, Maximum Length of Time Over Which Forecasted Transactions Are Hedged No definition available.
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- Details
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