GOODWILL AND OTHER ACQUIRED INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Activity in Goodwill

The following table summarizes the activity in goodwill for the periods indicated:

	Three Months Ended March 31, 2023
	MA						MIS						Consolidated
	Gross goodwill		Accumulated impairment charge		Net goodwill		Gross goodwill		Accumulated impairment charge		Net goodwill		Gross goodwill		Accumulated impairment charge		Net goodwill
Balance at beginning of year	$	5,474	$	(12)	$	5,462	$	377	$	—	$	377	$	5,851	$	(12)	$	5,839
Additions/ adjustments (1)	90		—		90		(90)		—		(90)		—		—		—
Foreign currency translation adjustments	56		—		56		(3)		—		(3)		53		—		53
Ending balance	$	5,620	$	(12)	$	5,608	$	284	$	—	$	284	$	5,904	$	(12)	$	5,892

	Year Ended December 31, 2022
	MA						MIS						Consolidated
	Gross goodwill		Accumulated impairment charge		Net goodwill		Gross goodwill		Accumulated impairment charge		Net goodwill		Gross goodwill		Accumulated impairment charge		Net goodwill
Balance at beginning of year	$	5,615	$	(12)	$	5,603	$	396	$	—	$	396	$	6,011	$	(12)	$	5,999
Additions/ adjustments (2)	88		—		88		4		—		4		92		—		92
Foreign currency translation adjustments	(229)		—		(229)		(23)		—		(23)		(252)		—		(252)
Ending balance	$	5,474	$	(12)	$	5,462	$	377	$	—	$	377	$	5,851	$	(12)	$	5,839

(1) The 2023 additions/adjustments relate to a reallocation of goodwill pursuant to a realignment of certain components of the Company's ESG business in the first quarter of 2023.

(2) The 2022 additions/adjustments for the MA segment in the table above primarily relate to the acquisition of kompany in the first quarter of 2022.

Acquired Intangible Assets and Related Amortization

Acquired intangible assets and related amortization consisted of:

	March 31, 2023		December 31, 2022
Customer relationships	$	2,043	$	2,024
Accumulated amortization	(480)		(453)
Net customer relationships	1,563		1,571
Software/product technology	667		661
Accumulated amortization	(305)		(283)
Net software/product technology	362		378
Database	178		178
Accumulated amortization	(69)		(64)
Net database	109		114
Trade names	198		197
Accumulated amortization	(62)		(58)
Net trade names	136		139
Other (1)	52		52
Accumulated amortization	(45)		(44)
Net other	7		8
Total acquired intangible assets, net	$	2,177	$	2,210

(1) Other intangible assets primarily consist of trade secrets, covenants not to compete, and acquired ratings methodologies and models.

Amortization Expense Relating to Acquired Intangible Assets

Amortization expense relating to acquired intangible assets is as follows:

	Three Months Ended March 31,
	2023		2022
Amortization expense	$	51	$	51