Leases Lessor arrangements- Contractual maturities of finance lease receivables (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Finance lease receivable disclosure
Remaining nine months of 2019	$ 2,443
2019		$ 3,051
2020	2,322	2,074
2021	1,294	1,103
2022	569	469
2023	227	172
Thereafter	77	59
Total amount	6,932	6,928
Guarantee residual value	435	458
Unguaranteed residual value	851	857
Less: unearned income	(643)	(644)
Total	7,575	7,599
Wholesale Leases
Finance lease receivable disclosure
Remaining nine months of 2019	52
2019		70
2020	50	48
2021	33	30
2022	18	16
2023	7	6
Thereafter	3	3
Total amount	163	173
Guarantee residual value	63	66
Unguaranteed residual value	34	35
Less: unearned income	(15)	(16)
Total	245	258
Retail Leases
Finance lease receivable disclosure
Remaining nine months of 2019	2,391
2019		2,981
2020	2,272	2,026
2021	1,261	1,073
2022	551	453
2023	220	166
Thereafter	74	56
Total amount	6,769	6,755
Guarantee residual value	372	392
Unguaranteed residual value	817	822
Less: unearned income	(628)	(628)
Total	$ 7,330	$ 7,341

Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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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.

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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 remainder of the fiscal year following latest fiscal year. Excludes interim and annual period when interim periods are reported on a rolling approach, from latest statement of financial position date.

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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 latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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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 latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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

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