Goodwill and Other Intangibles (Tables)

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in the Carrying Amount of Goodwill

Changes in the carrying amount of goodwill are as follows:

(In millions)	2024		2023
Balance at January 1,	$	17,231	$	16,251
Goodwill acquired	216		11
Other adjustments (a)	(133)		38
Balance at March 31,	$	17,314	$	16,300

(a) Primarily reflects the impact of foreign exchange.

Schedule of Amortized Intangible Assets

The gross cost and accumulated amortization of other identified intangible assets at March 31, 2024 and December 31, 2023 are as follows:

	March 31, 2024						December 31, 2023
(In millions)	Gross Cost		Accumulated Amortization		Net Carrying Amount		Gross Cost		Accumulated Amortization		Net Carrying Amount
Client relationships	$	4,424	$	1,836	$	2,588	$	4,337	$	1,761	$	2,576
Other (a)	369		326		43		391		337		54
Other intangible assets	$	4,793	$	2,162	$	2,631	$	4,728	$	2,098	$	2,630

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

Schedule of Estimated Future Aggregate Amortization Expense

The estimated future aggregate amortization expense is as follows:

For the Years Ending December 31,
(In millions)	Estimated Expense
2024 (excludes amortization through March 31, 2024)	$	249
2025	317
2026	294
2027	285
2028	267
Subsequent years	1,219
Total future amortization	$	2,631