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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract] |
Warranty [Table Text Block] | The estimate of our future warranty and field service action costs, net of estimated supplier recoveries, for the years ended December 31 was as follows (in millions):
| 2020 |  | 2021
Beginning balance | $ | 5,702 |  |  | $ | 8,172 |
Payments made during the period | (3,923) |  |  | (3,952) |
Changes in accrual related to warranties issued during the period | 3,934 |  |  | 4,102 |
Changes in accrual related to pre-existing warranties | 2,403 |  |  | 221 |
Foreign currency translation and other | 56 |  |  | (92) |
Ending balance | $ | 8,172 |  |  | $ | 8,451 |

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249 + Details
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