v3.25.4
Goodwill and Intangible Assets
 12 Months Ended
Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
Note 5. Goodwill and Intangible Assets
Goodwill: The change in the carrying amount of goodwill by business segment was as follows:
(Millions)Safety and IndustrialTransportation and ElectronicsConsumerCorporate and Other
Total Company
Balance as of December 31, 2023
$4,542$1,512$270$58$6,382
Translation and other(a)
(73)(16)(12)—(101)
Balance as of December 31, 2024
4,4691,496258586,281
Translation and other(a)
102 29 7 — 138 
Balance as of December 31, 2025
$4,571$1,525$265$58$6,419
(a)     The amounts in the “Translation and other” primarily relate to changes in foreign currency exchange rates.
As of December 31, 2025, the Company's accumulated goodwill impairment loss is $0.3 billion. The Company completed its annual goodwill impairment test for all reporting units in the fourth quarter of 2025 and determined that no impairment existed.
Acquired Intangible Assets: The carrying amount and accumulated amortization of the Company's acquired finite-lived intangible assets, along with their original useful lives, and the balances of non-amortizable intangible assets, are presented below:
Estimated weighted average useful life
December 31, 2025December 31, 2024
(Millions)
Gross carrying amount
Accumulated amortization
Net carrying amount
Gross carrying amountAccumulated amortizationNet carrying amount
Finite-lived intangible assets
Customer related
14 years$1,239 $(925)$1,319 $(935)
Patents and technology
9 years573 (544)578 (535)
Definite-lived tradenames
16 years482 (318)487 (300)
Other
7 years47 (30)47 (30)
Total
$2,341 $(1,817)$524 $2,431 $(1,800)$631 
Indefinite lived intangible assets(b)    
579 579 
Total intangible assets
$1,103 $1,210 
(b)    Indefinite lived intangible assets primarily consists of certain tradenames acquired by 3M that are not amortized because they have existed for over 60 years, maintain leading-market share positions, are continuously renewed, and are associated with products expected to generate cash flows for 3M for an indefinite period.
Amortization expense follows:
(Millions)202520242023
Amortization expense $104 $108 $127 
Expected amortization expense for acquired amortizable intangible assets recorded as of December 31, 2025 follows:
(Millions)20262027202820292030
After 2030
Amortization expense$99 $84 $59 $57 $57 $168