Derivative Financial Instruments (Schedule of Offsetting Assets) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Derivative Assets [Abstract]
Gross amount recognized	$ 33	$ 1
Gross amount offset in the consolidated balance sheets	0	0
Net amount presented in the consolidated balance sheets	33	1
Gross amount not offset in the consolidated balance sheets	5	1
Net amount	$ 28	$ 0

Fair value, after the effects of master netting arrangements, of a financial asset 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 not subject to a master netting arrangement and not elected to be offset.

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Fair value, after offset of derivative liability, of financial asset 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, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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