Goodwill and Other Intangibles (Tables)

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Carrying Amount of Goodwill

Changes in the carrying amount of goodwill are as follows:

March 31,
(In millions)	2022		2021
Balance as of January 1,	$	16,317	$	15,517
Goodwill acquired	17		—
Other adjustments(a)	(80)		(59)
Balance at March 31,	$	16,254	$	15,458

(a) Primarily reflects the impact of foreign exchange

Amortized Intangible Assets

The gross cost and accumulated amortization of identified intangible assets at March 31, 2022 and December 31, 2021 are as follows:

	March 31, 2022						December 31, 2021
(In millions)	Gross Cost		Accumulated Amortization		Net Carrying Amount		Gross Cost		Accumulated Amortization		Net Carrying Amount
Client relationships	$	4,041	$	1,389	$	2,652	$	4,066	$	1,334	$	2,732
Other (a)	362		294		68		365		287		78
Amortized intangibles	$	4,403	$	1,683	$	2,720	$	4,431	$	1,621	$	2,810

(a) Primarily non-compete agreements, trade names and developed technology.

Estimated Future Aggregate Amortization Expense

The estimated future aggregate amortization expense is as follows:

For the Years Ending December 31,
(In millions)	Estimated Expense
2022 (excludes amortization through March 31, 2022)	$	261
2023	328
2024	308
2025	269
2026	248
Subsequent years	1,306
Total future amortization	$	2,720