Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Goodwill and Other

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Intangible Assets, Goodwill and Other
 3 Months Ended
Mar. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Disclosure Acquisition-related Intangible Assets
Acquisition-related intangibles were as follows:
March 30, 2024 December 30, 2023
Gross Carrying Amount Accumulated Amortization Net Carrying Amount Gross Carrying Amount Accumulated Amortization Net Carrying Amount
(In millions) (In millions)
Developed technology $ 13,390  $ (1,815) $ 11,575  $ 13,390  $ (1,583) $ 11,807 
Customer relationships 12,324  (4,127) 8,197  12,324  (3,755) 8,569 
Customer backlog 809  (809) —  809  (809) — 
Corporate trade name 65  (65) —  65  (65) — 
Product trademarks 914  (165) 749  914  (147) 767 
Identified intangible assets subject to amortization 27,502  (6,981) 20,521  27,502  (6,359) 21,143 
In-process research and development (IPR&D) not subject to amortization
 220  —  220  220  —  220 
Total acquisition-related intangible assets $ 27,722  $ (6,981) $ 20,741  $ 27,722  $ (6,359) $ 21,363 
Developed technology and customer relationships were acquired primarily from the Xilinx acquisition on February 14, 2022. Acquisition-related intangible amortization expense was $622 million and $823 million for the three months ended March 30, 2024 and April 1, 2023, respectively.
Based on the carrying value of acquisition-related intangibles recorded as of March 30, 2024, and assuming no subsequent impairment of the underlying assets, the estimated annual amortization expense for acquisition-related intangibles is expected to be as follows:
Fiscal Year (In millions)
Remainder of 2024
 $ 1,749 
2025 2,145 
2026 2,034 
2027 1,922 
2028 1,846 
2029 and thereafter
 10,825 
Total $ 20,521