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Intangible Assets and Goodwill (Details 1)
9 Months Ended
Sep. 30, 2023
USD ($)
Summary of roll forward of the changes in goodwill  
Goodwill, beginning of period $ 5,749,000,000
Goodwill resulting from Reata acquisition 1,057,300,000
Other 1,200,000
Goodwill, end of period 6,807,500,000
Accumulated impairment losses related to goodwill $ 0