Subsequent Events	9 Months Ended
Sep. 30, 2020
Subsequent Events
Subsequent Events	18. Subsequent Events: On October 8, 2020, together with the company's announcement to separate its managed infrastructure services unit of its GTS segment into a new public company by the end of 2021 (refer to note 1, "Basis of Presentation" for additional information), the company announced that it expects to record a charge for structural actions of approximately $2.3 billion in the fourth quarter of 2020. On October 27, 2020, the company announced that the Board of Directors approved a quarterly dividend of $1.63 per common share. The dividend is payable December 10, 2020 to shareholders of record on November 10, 2020.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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