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Commitments and Contingencies - Other Litigation and Loss Contingencies (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Loss Contingencies [Line Items]
Maximum liability, guarantees	$ 3,100	$ 2,600
Rebates available	1,300	1,300
Indirect Tax Matters
Loss Contingencies [Line Items]
Reasonably possible loss	750
Accrued liabilities and Other liabilities
Loss Contingencies [Line Items]
Product liability	589	544
Credit card program deferred revenue	252	253
Litigation-related liability and tax administrative matters	1,200	$ 1,300
Korea Wage Litigation - Former Subcontract Workers
Loss Contingencies [Line Items]
Reasonably possible loss	120
Warranty provision	$ 240

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Deferred revenue associated with credit card programs recorded at the end of the reporting period.

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Rebate available associated with the credit card programs, net of deferred program revenue at the balance sheet date.

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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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Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

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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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Amount of loss contingency liability.

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Undiscounted amount of the accrual for damages arising from third-party use of the entity's product or process.

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The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

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