XML 26 R15.htm IDEA: XBRL DOCUMENT
v3.25.2

Equity | 6 Months Ended
--- | ---
Jun. 30, 2025
Equity [Abstract] |
Equity | Equity
| Three Months Ended June 30,
| Common Stock | Other Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Loss | Treasury Stock | Non- controlling Interests | Total
($ and shares in millions except per share amounts) | Shares | Par Value | Shares | Cost
Balance at April 1, 2024 | 3,577 |  | $ | 1,788 |  | $ | 44,598 |  | $ | 56,697 |  | $ | (5,274) |  | 1,044 |  | $ | (57,445) |  | $ | 60 |  | $ | 40,424 |
Net income attributable to Merck & Co., Inc. | — |  | — |  | — |  | 5,455 |  | — |  | — |  | — |  | — |  | 5,455 |
Other comprehensive loss, net of taxes | — |  | — |  | — |  | — |  | (87) |  | — |  | — |  | — |  | (87) |
Cash dividends declared on common stock ($0.77 per share) | — |  | — |  | — |  | (1,965) |  | — |  | — |  | — |  | — |  | (1,965) |
Treasury stock shares purchased | — |  | — |  | — |  | — |  | — |  | 2 |  | (251) |  | — |  | (251) |
Share-based compensation plans and other | — |  | — |  | (236) |  | — |  | — |  | (5) |  | 302 |  | — |  | 66 |
Net income attributable to noncontrolling interests | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 6 |  | 6 |
Balance at June 30, 2024 | 3,577 |  | $ | 1,788 |  | $ | 44,362 |  | $ | 60,187 |  | $ | (5,361) |  | 1,041 |  | $ | (57,394) |  | $ | 66 |  | $ | 43,648 |
Balance at April 1, 2025 | 3,577 |  | $ | 1,788 |  | $ | 44,816 |  | $ | 66,097 |  | $ | (4,965) |  | 1,061 |  | $ | (59,401) |  | $ | 65 |  | $ | 48,400 |
Net income attributable to Merck & Co., Inc. | — |  | — |  | — |  | 4,427 |  | — |  | — |  | — |  | — |  | 4,427 |
Other comprehensive loss, net of taxes | — |  | — |  | — |  | — |  | (456) |  | — |  | — |  | — |  | (456) |
Cash dividends declared on common stock ($0.81 per share) | — |  | — |  | — |  | (2,047) |  | — |  | — |  | — |  | — |  | (2,047) |
Treasury stock shares purchased | — |  | — |  | — |  | — |  | — |  | 17 |  | (1,345) |  | — |  | (1,345) |
Share-based compensation plans and other | — |  | — |  | (172) |  | — |  | — |  | (4) |  | 251 |  | 1 |  | 80 |
Net income attributable to noncontrolling interests | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 1 |  | 1 |
Balance at June 30, 2025 | 3,577 |  | $ | 1,788 |  | $ | 44,644 |  | $ | 68,477 |  | $ | (5,421) |  | 1,074 |  | $ | (60,495) |  | $ | 67 |  | $ | 49,060 |
| Six Months Ended June 30,
| Common Stock | Other Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Loss | Treasury Stock | Non- controlling Interests | Total
($ and shares in millions except per share amounts) | Shares | Par Value | Shares | Cost
Balance at January 1, 2024 | 3,577 |  | $ | 1,788 |  | $ | 44,509 |  | $ | 53,895 |  | $ | (5,161) |  | 1,045 |  | $ | (57,450) |  | $ | 54 |  | $ | 37,635 |
Net income attributable to Merck & Co., Inc. | — |  | — |  | — |  | 10,217 |  | — |  | — |  | — |  | — |  | 10,217 |
Other comprehensive loss, net of taxes | — |  | — |  | — |  | — |  | (200) |  | — |  | — |  | — |  | (200) |
Cash dividends declared on common stock ($1.54 per share) | — |  | — |  | — |  | (3,925) |  | — |  | — |  | — |  | — |  | (3,925) |
Treasury stock shares purchased | — |  | — |  | — |  | — |  | — |  | 3 |  | (373) |  | — |  | (373) |
Share-based compensation plans and other | — |  | — |  | (147) |  | — |  | — |  | (7) |  | 429 |  | 1 |  | 283 |
Net income attributable to noncontrolling interests | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 11 |  | 11 |
Balance at June 30, 2024 | 3,577 |  | $ | 1,788 |  | $ | 44,362 |  | $ | 60,187 |  | $ | (5,361) |  | 1,041 |  | $ | (57,394) |  | $ | 66 |  | $ | 43,648 |
Balance at January 1, 2025 | 3,577 |  | $ | 1,788 |  | $ | 44,704 |  | $ | 63,069 |  | $ | (4,945) |  | 1,049 |  | $ | (58,303) |  | $ | 59 |  | $ | 46,372 |
Net income attributable to Merck & Co., Inc. | — |  | — |  | — |  | 9,506 |  | — |  | — |  | — |  | — |  | 9,506 |
Other comprehensive loss, net of taxes | — |  | — |  | — |  | — |  | (476) |  | — |  | — |  | — |  | (476) |
Cash dividends declared on common stock ($1.62 per share) | — |  | — |  | — |  | (4,098) |  | — |  | — |  | — |  | — |  | (4,098) |
Treasury stock shares purchased | — |  | — |  | — |  | — |  | — |  | 29 |  | (2,509) |  | — |  | (2,509) |
Share-based compensation plans and other | — |  | — |  | (60) |  | — |  | — |  | (4) |  | 317 |  | — |  | 257 |
Net income attributable to noncontrolling interests | — |  | — |  | — |  | — |  | — |  | — |  | — |  | 8 |  | 8 |
Balance at June 30, 2025 | 3,577 |  | $ | 1,788 |  | $ | 44,644 |  | $ | 68,477 |  | $ | (5,421) |  | 1,074 |  | $ | (60,495) |  | $ | 67 |  | $ | 49,060 |

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for equity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-14 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477968/946-235-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477968/946-235-50-2 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478448/946-505-50-6 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-6 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/505/tableOfContent Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-13 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-14 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-14 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-16 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-18 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-18 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-18 + Details
Name: | us-gaap_StockholdersEquityNoteDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration