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Reportable Segments - Schedule of Reconciliation of Reportable Segment Net Income (Loss) to Consolidated Net Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Segment net income (loss) | $ 430 |  |  | $ (117) |  |  | $ 1,056 | $ 196
Translation gain (loss) on foreign denominated debt, net |  |  |  |  |  |  | (66) | 28
Research, development, and engineering expenses | (280) |  |  | (294) |  |  | (826) | (814)
Amortization of intangibles | (27) |  |  | (31) |  |  | (83) | (91)
Interest expense, net | (78) |  |  | (83) |  |  | (243) | (250)
Income tax benefit | (80) |  |  | (3) |  |  | (219) | (124)
Severance charges |  |  |  | (43) |  |  |  | (46)
Net income (loss) | 470 | $ 500 | $ 185 | (95) | $ 122 | $ 225 | 1,155 | 252
Operating Segments |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Segment net income (loss) | 741 |  |  | 610 |  |  | 1,982 | 1,618
Impact of constant-currency reporting | (172) |  |  | (342) |  |  | (582) | (978)
Research, development, and engineering expenses | (233) |  |  | (248) |  |  | (702) | (686)
Income tax benefit | (207) |  |  | (167) |  |  | (551) | (444)
Operating Segments | Reportable Segments |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Segment net income (loss) | 742 |  |  | 598 |  |  | 2,009 | 1,586
Operating Segments | Hemlock and Emerging Growth Businesses |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Segment net income (loss) | (1) |  |  | 12 |  |  | (27) | 32
Research, development, and engineering expenses | (20) |  |  | (31) |  |  | (69) | (76)
Income tax benefit | (4) |  |  | (5) |  |  | (2) | (16)
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Impact of constant-currency reporting | (157) |  |  | (258) |  |  | (496) | (751)
Translated earnings contract gain (loss), net | 33 |  |  | (157) |  |  | 63 | (91)
Translation gain (loss) on foreign denominated debt, net | 4 |  |  | (107) |  |  | (66) | 28
Litigation, regulatory and other legal matters | (50) |  |  | (16) |  |  | (57) | (11)
Research, development, and engineering expenses | (47) |  |  | (39) |  |  | (124) | (121)
Amortization of intangibles | (27) |  |  | (31) |  |  | (83) | (91)
Interest expense, net | (62) |  |  | (63) |  |  | (197) | (189)
Income tax benefit | 127 |  |  | 164 |  |  | 332 | 320
Severance charges |  |  |  | (43) |  |  | (2) | (46)
Capacity optimization and other charges and credits | (16) |  |  | (91) |  |  | (8) | (217)
Other corporate items | (76) |  |  | (64) |  |  | (189) | (197)
Net income (loss) | $ 470 |  |  | $ (95) |  |  | $ 1,155 | $ 252

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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. Also included are the engineering expenses that are incurred while working on new product design, capacity, optimization programs, etc for products that are not currently being produced. + References No definition available. + Details
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