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Fair Values (Details 1) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Liabilities [Abstract]
Derivatives	$ 456	$ 201
Total liabilities	456	201
Level 1 [Member]
Liabilities [Abstract]
Derivatives	0	0
Total liabilities	0	0
Level 2 [Member]
Liabilities [Abstract]
Derivatives	456	201
Total liabilities	456	201
Level 3 [Member]
Liabilities [Abstract]
Derivatives	0	0
Total liabilities	$ 0	$ 0

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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Includes assets not subject to a master netting arrangement.

+ References

No definition available.

+ Details

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- References

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- Definition

Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.

+ References

No definition available.

+ Details

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- Details

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