SUBSEQUENT EVENTS	9 Months Ended
Sep. 30, 2021
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	SUBSEQUENT EVENTS On October 26, 2021, the Board approved the declaration of a quarterly dividend of $0.62 per share of Moody’s common stock, payable on December 14, 2021 to shareholders of record at the close of business on November 23, 2021. On October 13, 2021, Moody's completed a minority investment in BitSight, a cybersecurity ratings company. The consideration transferred by Moody's for this investment comprised $250 million in cash and the contribution of Moody's minority interest in VisibleRisk, a cybersecurity risk ratings joint venture. Moody's expects to recognize an approximate $30 to $40 million non-cash gain in the fourth quarter of 2021 relating to the exchange of its minority investment in VisibleRisk for shares of BitSight.

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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