Commitments and Contingencies (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Guarantor Obligations [Line Items]
Maximum potential payments	$ 749	$ 1,163
Carrying value of recorded liabilities related to guarantees and limited indemnities	233	351
Loss Contingency [Abstract]
Loss contingency estimate	500
Warranty [Abstract]
Beginning balance	5,137	5,296
Payments made during the period	(4,561)	(4,360)
Changes in accrual related to warranties issued during the period	3,182	2,584
Changes in accrual related to pre-existing warranties	1,941	1,758
Foreign currency translation and other	3	(141)
Ending balance	5,702	$ 5,137
Guarantees to daily rental companies
Guarantor Obligations [Line Items]
Maximum potential payments	582
Carrying value of recorded liabilities related to guarantees and limited indemnities	$ 199

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty.

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Amount of increase (decrease) in the standard and extended product warranty accrual from changes in estimates attributable to preexisting product warranties.

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Amount of increase in the standard and extended product warranty accrual from warranties issued.

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Amount of foreign currency translation gain (loss) which decreases (increases) the standard and extended product warranty accrual.

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