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DEBT AND CREDIT FACILITIES - Additional Information (Details) $ in Millions | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Feb. 28, 2025 USD ($) | Apr. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Nov. 30, 2024 USD ($) | Jun. 30, 2024 USD ($) | Oct. 23, 2020
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Repayments of debt |  |  | $ 1,970 | $ 2,250 | $ 1,500 |  |  |
Immunomedics, Inc. | Measurement Input, Expected Term |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Liability related to future royalties, measurement Input |  |  |  |  |  |  |  | 16
Senior notes |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 3,500 |  |
Redemption price, percentage |  |  | 101.00% |  |  |  |  |
Senior notes | Minimum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Par call term (in months) |  |  | 1 month |  |  |  |  |
Senior notes | Maximum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Par call term (in months) |  |  | 6 months |  |  |  |  |
Senior notes | 4.80% Senior Unsecured Notes Due in November 2029 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 750 |  |
Interest rate, stated percentage |  |  | 4.80% |  |  | 4.80% |  |
Redemption price, percentage |  |  | 100.00% |  |  |  |  |
Senior notes | 5.10% Senior Unsecured Notes Due in June 2035 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 1,000 |  |
Interest rate, stated percentage |  |  | 5.10% |  |  | 5.10% |  |
Redemption price, percentage |  |  | 100.00% |  |  |  |  |
Senior notes | 5.50% Senior Unsecured Notes Due November 2054 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 1,000 |  |
Interest rate, stated percentage |  |  | 5.50% |  |  | 5.50% |  |
Redemption price, percentage |  |  | 100.00% |  |  |  |  |
Senior notes | 5.60% Senior Unsecured Notes Due November 2064 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 750 |  |
Interest rate, stated percentage |  |  | 5.60% |  |  | 5.60% |  |
Redemption price, percentage |  |  | 100.00% |  |  |  |  |
Senior notes | 3.70% Senior Unsecured Notes Due in April 2024 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  | 3.70% |  |  |  |  |
Repayments of debt |  | $ 1,750 |  |  |  |  |  |
Senior notes | 3.50% Senior Unsecured Notes Due in February 2025 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  | 3.50% |  |  |  |  |
Senior notes | 3.50% Senior Unsecured Notes Due in February 2025 | Subsequent event | Forecast |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Repayments of debt | $ 1,750 |  |  |  |  |  |  |
Line of credit | Revolving credit facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Amounts outstanding under the facility |  |  | $ 0 | $ 0 |  |  |  |
Line of credit | Terminated 2020 Revolving Credit Facility | Revolving credit facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | $ 2,500 |
Line of credit | 2024 Revolving Credit Facility | Revolving credit facility |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | $ 2,500 |

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