Commitments and Contingencies (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Loss Contingency [Abstract]
Loss contingency estimate	$ 400
Warranty [Abstract]
Beginning balance	5,702	$ 5,137
Payments made during the period	(1,075)	(1,074)
Changes in accrual related to warranties issued during the period	805	693
Changes in accrual related to pre-existing warranties	521	271
Foreign currency translation and other	(164)	7
Ending balance	5,789	$ 5,034
Financial Guarantee [Member]
Guarantor Obligations [Line Items]
Maximum potential payments	427		$ 162
Carrying value of recorded liabilities related to guarantees and limited indemnities	49		33
Indemnification Agreement [Member]
Guarantor Obligations [Line Items]
Maximum potential payments	678		587
Carrying value of recorded liabilities related to guarantees and limited indemnities	253		$ 200
Guarantees to daily rental companies
Guarantor Obligations [Line Items]
Maximum potential payments	673
Carrying value of recorded liabilities related to guarantees and limited indemnities	$ 252

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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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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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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