Consolidated Statements Of Operations (Parenthetical) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income (Loss) from Discontinued Operations, tax (expense) benefit	$ 0	$ 0	$ (51)
Power [Member]
Income (Loss) from Discontinued Operations, tax (expense) benefit	$ 0	$ 0	$ (51)

- Definition

Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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