Customer Financing (Scheduled Receipts On Customer Financing) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Payments on notes receivable [Abstract]
Notes Receivable, Future Payments Receivable, Next Rolling Twelve Months	$ 194
Notes Receivable, Future Payments Receivable, Due in Rolling Year Two	34
Notes Receivable, Future Payments Receivable, Due in Rolling Year Three	18
Notes Receivable, Future Payments Receivable, Due in Rolling Year Four	19
Notes Receivable, Future Payments Receivable, Due in Rolling Year Five	21
Notes Receivable, Future Payments Receivable, Due in Rolling after Year Five	126
Notes Receivable Future Payments Receivable	412
Sales-type/finance lease payments receivable [Abstract]
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Next Rolling Twelve Months	201
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Rolling Year Two	180
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Rolling Year Three	171
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Rolling Year Four	141
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Rolling Year Five	127
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, after Rolling Year Five	279
Minimum lease payments receivable	1,099	$ 756
Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount	(265)
Estimated residual value of leased assets	110	299
Investment in sales-type/finance leases	944	$ 919
Operating lease equipment payments receivable [Abstract]
Lessor, Operating Lease, Payments to be Received, Next Rolling Twelve Months	66
Lessor, Operating Lease, Payments to be Received, Rolling Year Two	55
Lessor, Operating Lease, Payments to be Received, Rolling Year Three	39
Lessor, Operating Lease, Payments to be Received, Rolling Year Four	18
Lessor, Operating Lease, Payments to be Received, Rolling Year Five	15
Lessor, Operating Lease, Payments to be Received, after Rolling Year Five	37
Lessor, Operating Lease, Payments to be Received	$ 230

Notes Receivable Future Payments Receivable

No definition available.

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- Definition

Amount of minimum lease payments to be received by the lessor in the sixth rolling twelve months following the latest balance sheet presented for notes receivable.

+ References

No definition available.

+ Details

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- Definition

Amount of payments to be received by the lessor in the fifth rolling twelve months following the latest balance sheet presented for notes receivable.

+ References

No definition available.

+ Details

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- Definition

Amount of payments to be received by the lessor in the fourth rolling twelve months following the latest balance sheet presented for notes receivable.

+ References

No definition available.

+ Details

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- Definition

Amount of payments to be received by the lessor in the third rolling twelve months following the latest balance sheet presented for notes receivable.

+ References

No definition available.

+ Details

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- Definition

Amount of payments to be received by the lessor in the second rolling twelve months following the latest balance sheet presented for notes receivable.

+ References

No definition available.

+ Details

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- Definition

Amount of payments to be received by the lessor in the next rolling twelve months following the latest balance sheet presented for notes receivable.

+ References

No definition available.

+ Details

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- Definition

-None. No documentation exists for this element.-

+ References

No definition available.

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- Definition

Amount of residual asset covered by residual value guarantee under sales-type and direct financing leases. Excludes guarantee considered to be lease payments for lessor.

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

Amount of lease payments to be received by lessor for operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919396-209981

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- Definition

Amount of lease payments to be received by lessor in period after fifth rolling twelve months following latest statement of financial position date for operating lease. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919396-209981

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- Definition

Amount of lease payments to be received by lessor in next rolling twelve months following latest statement of financial position date for operating lease. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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- Definition

Amount of lease payments to be received by lessor in fifth rolling twelve months following latest statement of financial position date for operating lease. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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- Definition

Amount of lease payments to be received by lessor in fourth rolling twelve months following latest statement of financial position date for operating lease. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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- Definition

Amount of lease payments to be received by lessor in third rolling twelve months following latest statement of financial position date for operating lease. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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- Definition

Amount of lease payments to be received by lessor in second rolling twelve months following latest statement of financial position date for operating lease. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

+ Details

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- References

No definition available.

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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 sales-type and direct financing leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919391-209981

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-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919379-209981

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- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases after fifth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919391-209981

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- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in fifth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in third rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in second rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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- Definition

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

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- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in next rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in fourth rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

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- Definition

Amount of undiscounted lease receivable in excess of discounted receivable for sales-type and direct financing leases.

+ References

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