Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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The net cash paid (received) for terminated hedging instruments.

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The number of terminated interest rate derivatives.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580

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-Paragraph 14A
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Average fixed interest rate related to the group of interest rate derivatives.

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- Definition

The amount of net gain (loss) reclassified into earnings in the period when cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period.

+ 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 (e)
-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

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Number of interest rate derivative instruments held by the entity at the reporting date.

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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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-Paragraph 1B
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Derivatives and Risk Management Activities - Interest Rate Risk Hedging (Details) $ in Millions	1 Months Ended	9 Months Ended
	Jun. 30, 2016 USD ($) contract	Sep. 30, 2016 USD ($) contract	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Interest Rate Risk Hedging
Net deferred gains/(losses) included in AOCI		$ (1,081)	$ (985)	$ (1,081)	$ (467)
Cash paid in connection with termination of interest rate derivatives		50	$ 48
Interest Rate Derivatives
Interest Rate Risk Hedging
Net deferred gains/(losses) included in AOCI		$ (353)
8 forward starting interest rate swaps (30-year), 2.02% \| Cash flow hedge
Interest Rate Risk Hedging
Number of interest rate derivatives \| contract		8
Notional amount of derivatives		$ 200
Average rate locked (percent)		2.02%
8 forward starting interest rate swaps (30-year), 3.14% \| Cash flow hedge
Interest Rate Risk Hedging
Number of interest rate derivatives \| contract		8
Notional amount of derivatives		$ 200
Average rate locked (percent)		3.14%
8 forward starting interest rate swaps (30-year), 3.20% \| Cash flow hedge
Interest Rate Risk Hedging
Number of interest rate derivatives \| contract		8
Notional amount of derivatives		$ 200
Average rate locked (percent)		3.20%
8 forward starting interest rate swaps (30-year), 2.83% \| Cash flow hedge
Interest Rate Risk Hedging
Number of interest rate derivatives \| contract		8
Notional amount of derivatives		$ 200
Average rate locked (percent)		2.83%
8 forward starting interest rate swaps (30-year), 3.06%
Interest Rate Risk Hedging
Net deferred gains/(losses) included in AOCI	$ (50)
Notional amount of derivatives	$ 200
Average rate locked (percent)	3.06%
Cash paid in connection with termination of interest rate derivatives	$ 52
Number of interest rate derivatives terminated \| contract	8
8 forward starting interest rate swaps (30-year), 3.06% \| Interest expense, net
Interest Rate Risk Hedging
Loss recognized due to anticipated hedged transactions now considered probable of not occurring	$ 2