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v3.20.2

Leases - Narrative (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Dec. 31, 2019 | Jan. 01, 2020
Lessee, Lease, Description [Line Items] |  |  |
Net investment leases | $ 233 |  |
Accounting Standards Update [Extensible List] | us-gaap:AccountingStandardsUpdate201613Member | us-gaap:AccountingStandardsUpdate201613Member |
Minimum |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Lessee lease term | 1 year |  |
Lessor lease term | 2 years |  |
Maximum |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Lessee lease term | 18 years |  |
Lessor lease term | 5 years |  |
Cumulative Effect, Period of Adoption, Adjustment |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Reserve for estimated credit losses on lease payment receivables | $ 60 |  | $ 56

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