Investments (Components of Leveraged and Direct Financing Leases) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Real Estate [Line Items]
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Rental Receivables, Net	$ 542	$ 597
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Residual Value of Leased Assets	560	573
Leveraged Leases, Unearned Income	(284)	(318)
Investment in Leveraged Leases before ACL	818	852
Net Investment in Lease, Allowance for Credit Loss	40	44
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Investment in Leveraged Leases, Net	787	816
Direct Financing Lease, Lease Receivable	1,755	2,055
Direct Financing Lease, Unguaranteed Residual Asset	39	42
Direct Financing Lease, Deferred Selling Profit	(642)	(749)
Direct Financing Lease, Net Investment in Lease	1,152	1,348
Direct Financing Lease, Net Investment in Lease, Allowance for Credit Loss	9	8
Direct Financing Lease, Net Investment in Lease, after Allowance for Credit Loss	1,143	1,340
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year One	100
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Two	107
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Three	91
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Four	90
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Five	102
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, after Year Five	1,300
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received	1,800
Leveraged Leases
Real Estate [Line Items]
Investment In Leases	1,102	1,170
Net Investment in Lease, Allowance for Credit Loss	31	36
Direct Financing Leases
Real Estate [Line Items]
Investment In Leases	$ 1,794	$ 2,097

This element represents the subtotal of rental receivables, net plus estimated residual value of the leased assets.

No definition available.

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- Definition

Investment in Leveraged Leases before ACL

+ References

No definition available.

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- Definition

Amount of deferred selling profit from direct financing lease.

+ References

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- Definition

Present value of lease payments not yet received by lessor and amount expected to be derived from underlying asset, following end of lease term, guaranteed by lessee or other third party unrelated to lessor, from direct financing lease.

+ References

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- Definition

Amount, before allowance for credit loss, of net investment in direct financing lease.

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- Definition

Amount, after allowance for credit loss, of net investment in direct financing lease.

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- Definition

Amount of allowance for credit loss on net investment in direct financing lease.

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- Definition

Present value expected to be derived from underlying asset, following end of lease term, not guaranteed by lessee or other third party unrelated to lessor.

+ References

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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

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.

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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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- Definition

Amount of allowance for credit loss on net investment in sales-type and direct financing leases.

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- Definition

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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No definition available.

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases.

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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