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Employee Separation and Exit and Disposal Activities (Tables) | 12 Months Ended
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Dec. 31, 2021
Restructuring Cost and Reserve [Line Items] |
Schedule of Restructuring Reserve by Type of Cost [Table Text Block] | The following table summarizes the activities for the years ended December 31, which are recorded in Other liabilities and deferred revenue (in millions):
|  | 2020 |  | 2021
Beginning balance |  | $ | 734 |  |  | $ | 1,732 |
Changes in accruals (a) |  | 1,598 |  |  | 1,150 |
Payments |  | (631) |  |  | (1,883) |
Foreign currency translation |  | 31 |  |  | (49) |
Ending balance |  | $ | 1,732 |  |  | $ | 950 |
__________(a) Excludes pension costs of $268 million and $156 million in 2020 and 2021, respectively

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- Definition 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. + References No definition available. + Details
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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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