Long-Term Investments (Schedule Of Net Investment In Leveraged Leases) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Schedule of Investments [Line Items]
Provision for Loan and Lease Losses	$ 26	$ 58	$ 8
Assets Held for Sale	$ 0	30
Maximum U.S. Corporate Income Tax Rate	21.00%
Lease Receivables (net of Non-Recourse Debt)	$ 299	498
Estimated Residual Value of Leased Assets	55	202
Total Investment in Rental Receivables	354	700
Unearned and Deferred Income	(104)	(203)
Gross Investment in Leases	250	497
Deferred Tax Liabilities	(64)	(328)
Net Investments in Leases	$ 186	$ 169

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

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- Definition

Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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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.

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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.

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- Definition

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

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- Definition

The gross rentals receivable equal to the future cash flows from the lessee.

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

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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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