Financing Receivables (Gross And Net Lease Investments) (Details) (Energy Holdings [Member], USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Energy Holdings [Member]
Lease Receivables (net of Non-Recourse Debt)	$ 763	$ 896
Estimated Residual Value of Leased Assets	684	905
Total Investment in Rental Receivables	1,447	1,801
Unearned and Deferred Income	(450)	(546)
Gross Investments in Leases	997	1,255
Deferred Tax Liabilities	(804)	(899)
Net Investment in Leases	$ 193	$ 356

Leveraged Lease Rental Receivables Net Plus Estimated Residual Value

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- Definition

Leveraged Leases Net Investment In Leveraged Leases Disclosure Investment In Leveraged Leases, Gross

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- Definition

The estimated portion of pretax income and investment tax credit remaining to be allocated to income over the lease term.

+ References

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- Definition

Taxes arising from arrangements meeting the criteria for classification as leveraged leases due to timing differences between accounting and tax income recognition.

+ References

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The net investment in arrangements meeting the criteria for classification as leveraged leases including deferred taxes.

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- Definition

This element represents leveraged lease rentals receivable, net of that portion of the rental applicable to principal and interest on the nonrecourse debt.

+ References

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- Definition

The estimate of the value of the leased asset at the end of the lease term.

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