Leases - Components of Net Investment in Sales-Type and Direct Financing Leases (Details) $ in Millions	Sep. 30, 2019 USD ($)
Leases [Abstract]
Minimum lease payments	$ 374
Residual values	37
Less: Unearned interest income	(160)
Net investment in leases	$ 251

Sales-Type And Direct Financing Leases, Unearned Interest Income

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- Definition

Sales-Type And Direct Financing Leases, Unguaranteed Residual Asset

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Amount of net investment in sales-type and direct financing lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77888421&loc=SL77919306-209978

+ Details

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- Definition

Amount of undiscounted cash flows to be received by lessor for 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=119202524&loc=SL77919391-209981

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