v3.25.2
Goodwill and Other Intangible Assets (Tables)
 9 Months Ended
Jun. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in Carrying Amount of Goodwill
The following table summarizes changes in the carrying amount of goodwill in each of the Company’s reportable segments (in millions):
Nine Months Ended June 30, 2025
AmericasEMEAAPACTotal
Goodwill$14,118 $2,409 $1,393 17,920 
Accumulated impairment loss(918)(277)— (1,195)
Balance at beginning of period13,200 2,132 1,393 16,725 
Foreign currency translation and other (1)
(3)23 (36)(16)
Balance at end of period$13,197 $2,155 $1,357 $16,709 
(1) Includes measurement period adjustments and the allocation of $56 million of goodwill from EMEA to the ADT Mexico residential security business disposal group classified as held for sale. Refer to Note 3, "Assets and Liabilities Held for Sale and Discontinued Operations" of the notes to the consolidated financial statements for further information.
Other Intangible Assets
Other intangible assets, primarily from business acquisitions, consisted of (in millions):
 June 30, 2025September 30, 2024
 Gross
Carrying
Amount		Accumulated
Amortization		NetGross
Carrying
Amount		Accumulated
Amortization		Net
Definite-lived intangible assets
Technology$1,604 $(1,074)$530 $1,592 $(955)$637 
Customer relationships2,641 (1,689)952 2,632 (1,517)1,115 
Miscellaneous895 (503)392 886 (480)406 
5,140 (3,266)1,874 5,110 (2,952)2,158 
Indefinite-lived intangible assets
Trademarks/trade names1,982 — 1,982 1,972 — 1,972 
Total intangible assets$7,122 $(3,266)$3,856 $7,082 $(2,952)$4,130