MERCK & CO., INC., 424B5 filed on 9/4/2025
Prospectus filed pursuant to Rule 424(b)(5)
v3.25.2
Submission
Sep. 04, 2025
Submission [Line Items]  
Central Index Key 0000310158
Registrant Name Merck & Co., Inc.
Registration File Number 333-278066
Form Type S-3
Submission Type 424B5
Fee Exhibit Type EX-FILING FEES
Offering Table N/A
Offset Table N/A N/A
Combined Prospectus Table N/A N/A
v3.25.2
Offerings
Sep. 04, 2025
USD ($)
shares
Offering: 1  
Offering:  
Fee Previously Paid false
Rule 457(r) true
Security Type Debt
Security Class Title Floating Rate Notes due 2027
Amount Registered | shares 500,000,000
Maximum Aggregate Offering Price $ 500,000,000.00
Fee Rate 0.01531%
Amount of Registration Fee $ 76,550.00
Offering Note This registration fee table shall be deemed to update the "Calculation of Filing Fee Tables" in the registrant's Registration Statement on Form S-3ASR (Registration No. 333-278066), originally filed with the Securities and Exchange Commission (the "Commission") on March 19, 2024 and subsequently amended by Post-Effective Amendment No. 1 filed with the Commission on May 14, 2024, in accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended.
Offering: 2  
Offering:  
Fee Previously Paid false
Rule 457(r) true
Security Type Debt
Security Class Title 3.850% Notes due 2027
Amount Registered | shares 750,000,000
Maximum Aggregate Offering Price $ 749,287,500.00
Fee Rate 0.01531%
Amount of Registration Fee $ 114,715.92
Offering Note See note 1.
Offering: 3  
Offering:  
Fee Previously Paid false
Rule 457(r) true
Security Type Debt
Security Class Title 4.150% Notes due 2030
Amount Registered | shares 750,000,000
Maximum Aggregate Offering Price $ 748,747,500.00
Fee Rate 0.01531%
Amount of Registration Fee $ 114,633.24
Offering Note See note 1.
Offering: 4  
Offering:  
Fee Previously Paid false
Rule 457(r) true
Security Type Debt
Security Class Title 4.550% Notes due 2032
Amount Registered | shares 1,000,000,000
Maximum Aggregate Offering Price $ 999,810,000.00
Fee Rate 0.01531%
Amount of Registration Fee $ 153,070.91
Offering Note See note 1.
Offering: 5  
Offering:  
Fee Previously Paid false
Rule 457(r) true
Security Type Debt
Security Class Title 4.950% Notes due 2035
Amount Registered | shares 1,750,000,000
Maximum Aggregate Offering Price $ 1,749,842,500.00
Fee Rate 0.01531%
Amount of Registration Fee $ 267,900.89
Offering Note See note 1.
Offering: 6  
Offering:  
Fee Previously Paid false
Rule 457(r) true
Security Type Debt
Security Class Title 5.700% Notes due 2055
Amount Registered | shares 1,250,000,000
Maximum Aggregate Offering Price $ 1,246,237,500.00
Fee Rate 0.01531%
Amount of Registration Fee $ 190,798.96
Offering Note See note 1.
v3.25.2
Fees Summary
Sep. 04, 2025
USD ($)
Fees Summary [Line Items]  
Total Offering $ 5,993,925,000.00
Previously Paid Amount 0.00
Total Fee Amount 917,669.92
Total Offset Amount 0.00
Net Fee 917,669.92
Narrative - Max Aggregate Offering Price $ 5,993,925,000.00
Final Prospectus true