v3.26.3
Goodwill and Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2026
Intangible Asset, Goodwill and Other [Abstract]  
Schedule of Goodwill The change in the carrying amount of goodwill by business segment was as follows:
(Millions)Safety and IndustrialTransportation and ElectronicsConsumerCorporateTotal Company
Balance as of December 31, 2024
$4,469$1,496$258$58$6,281
Translation and other(a)
102297—138
Balance as of December 31, 2025
$4,571$1,525$265$58$6,419
Acquisition activity982 — — —982
Translation and other(a)
(46)(9)(2)— (57)
Balance as of September 30, 2026
$5,507$1,516$263$58$7,344
(a)     The amounts in the “Translation and other” primarily relate to changes in foreign currency exchange rates.
Schedule of Acquired Intangible Assets The carrying amount and accumulated amortization of the Company's acquired finite-lived intangible assets and the balances of non-amortizable intangible assets are presented below:
September 30, 2026December 31, 2025
(Millions)
Gross carrying amount(b)
Accumulated amortization
(b)
Net carrying amountGross carrying amountAccumulated amortizationNet carrying amount
Finite-lived intangible assets
Customer related
$1,767 $(793)$1,239 $(925)
Patents and technology256 (153)573 (544)
Definite-lived tradenames
715 (337)482 (318)
Other
28 (10)47 (30)
Total$2,766 $(1,293)$1,473 $2,341 $(1,817)$524 
Indefinite lived intangible assets(c)    
579 579 
Total intangible assets — net $2,052 $1,103 
(b)     For the period ended September 30, 2026, finite-lived intangible asset were impacted by acquisitions as discussed in Note 3, net of retirement of certain fully amortized assets.
(c)    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.
Schedule of Amortization Expense
Amortization expense follows:
Three months ended
September 30,		Nine months ended
September 30,
(Millions)2026202520262025
Amortization expense $41 $26 $90 $78 
Schedule of Expected Amortization Expense for Acquired Amortizable Intangible Assets
Expected amortization expense for acquired amortizable intangible assets recorded as of September 30, 2026 follows:
(Millions)
Remainder of 2026
20272028202920302031
After 2031
Amortization expense$40 $142 $117 $115 $115 $114 $830