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Fair Value Measurements - Debt Instruments (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023 | Sep. 26, 2023
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Notes payable, fair value | $ 5,683,500 | $ 6,287,700 |
Current portion notes payable and term loan | 1,748,100 | 150,000 |
Notes payable | 6,293,900 | 6,938,200 |
Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, current, fair value disclosure | 1,739,900 | 150,000 |
Current portion notes payable and term loan | 1,748,100 | 150,000 |
4.050% Senior Notes due 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, fair value |  | 1,721,500 |
4.050% Senior Notes due 2025 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, current, fair value disclosure | 1,739,900 | 0 |
Notes payable, fair value | 0 |  |
Current portion notes payable and term loan | 1,748,100 | 0 |
Notes payable | 0 | 1,746,600 |
2.25% Senior Notes due May 1, 2030 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, fair value |  | 1,279,300 |
2.25% Senior Notes due May 1, 2030 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, fair value | 1,339,400 |  |
Notes payable | 1,494,500 | 1,493,800 |
5.200% Senior Notes due 2045 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, fair value |  | 1,089,700 |
5.200% Senior Notes due 2045 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, fair value | 1,079,200 |  |
Notes payable | 1,101,000 | 1,100,700 |
3.250% Senior Notes, Due February 15, 2051 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, fair value |  | 498,200 |
3.250% Senior Notes, Due February 15, 2051 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, fair value | 490,900 |  |
Notes payable | 475,500 | 472,800 |
3.150% Senior Notes due May 1, 2050 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, fair value |  | 1,049,000 |
3.150% Senior Notes due May 1, 2050 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, fair value | 1,034,100 |  |
Notes payable | 1,474,800 | 1,474,300 |
2023 Term Loan Three-Year Tranche | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, fair value | 0 | 500,000 |
Notes payable | 0 | 500,000 |
Non-Current Portion Of Notes Payable And Term Loan | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, fair value | 3,943,600 | 6,137,700 |
Notes payable | 4,545,800 | 6,788,200 |
The Credit Facility | Line of Credit |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, maximum borrowing capacity |  |  | $ 1,500,000
The Credit Facility | Line of Credit | Reata Pharmaceuticals, Inc | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt, gross |  |  | 1,000,000
Credit Facility Floating Rate 364-Day Tranche | Line of Credit |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, maximum borrowing capacity |  |  | 500,000
The Credit Facility Floating Rate Three-Year Tranche | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable, current, fair value disclosure | 0 | 150,000 |
Current portion notes payable and term loan | $ 0 | $ 150,000 |
The Credit Facility Floating Rate Three-Year Tranche | Line of Credit |  |  |
Debt Instrument [Line Items] |  |  |
Line of credit facility, maximum borrowing capacity |  |  | $ 500,000

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