Goodwill and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2023

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)	2023		2022
Balance at January 1,	$	16,251	$	16,317
Goodwill acquired	813		460
Other adjustments (a)	167		(526)
Balance at December 31,	$	17,231	$	16,251

(a) Primarily reflects the impact of foreign exchange.

Schedule of Finite-lived Intangible Assets

The gross cost and accumulated amortization of other intangible assets at December 31, 2023 and 2022 are as follows:

(In millions)	2023						2022
	Gross Cost		Accumulated Amortization		Net Carrying Amount		Gross Cost		Accumulated Amortization		Net Carrying Amount
Customer relationships	$	4,337	$	1,761	$	2,576	$	3,993	$	1,508	$	2,485
Other (a)	391		337		54		360		308		52
Other intangible assets	$	4,728	$	2,098	$	2,630	$	4,353	$	1,816	$	2,537

(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 Ended December 31,
(In millions)	Estimated Expense
2024	$	351
2025	309
2026	287
2027	278
2028	270
Subsequent years	1,135
Total future amortization	$	2,630