CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Equipment under operating leases - accumulated depreciation	$ 216	$ 238
Financing Receivable Portfolio
Receivables - allowances	182	148
Purchased and participated receivables from IBM
Receivables - allowances	$ 22	$ 8

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant