v3.26.1
Employee Benefit Plan, Description of Plan (Details)
12 Months Ended
Dec. 31, 2025
USD ($)
Loan
year
class
EBP, Description of Plan [Line Items]  
Number of asset classes | class 7
EBP 001  
EBP, Description of Plan [Line Items]  
Maximum annual compensation to total compensation, percentage 30.00%
Automatic deferral rate, annual increase 1.00%
Participant compensation matched, non-elective, percentage 4.00%
Participant compensation matched, percentage 5.00%
Maximum contribution to Amgen stock, percentage 20.00%
Vesting period 3 years
Maximum vesting age | year 65
Break in service period 5 years
Involuntary cash-out limit $ 1,000
Maximum number of loans outstanding | Loan 2
Maximum borrowing, to total account, percentage 50.00%
Maximum borrowing amount $ 50,000
Basis spread on variable rate 1.00%
Primary residence, borrowing term 20 years
EBP 001 | Minimum  
EBP, Description of Plan [Line Items]  
Automatic deferral rate 5.00%
General loan, borrowing term 1 year
EBP 001 | Maximum  
EBP, Description of Plan [Line Items]  
Automatic deferral rate 10.00%
General loan, borrowing term 5 years