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Acquisitions | 12 Months Ended
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Dec. 31, 2021
Business Combinations [Abstract] |
Business combinations | Acquisitions Teneobio, Inc. On October 19, 2021, we acquired all of the outstanding stock of Teneobio, a privately held, clinical-stage biotechnology company developing a new class of biologics called human heavy-chain antibodies, which are single-chain antibodies composed of the human heavy-chain domain. The transaction, which was accounted for as a business combination, includes Teneobio’s proprietary bispecific and multispecific antibody technologies, which complement Amgen’s existing antibody capabilities and BiTE® platform and will enable significant acceleration and efficiency in the discovery and development of new molecules to treat diseases across Amgen’s core therapeutic areas. Upon its acquisition, Teneobio became a wholly owned subsidiary of Amgen, and its operations have been included in our consolidated financial statements commencing on the acquisition date. The following table summarizes the total consideration and allocated acquisition date fair values of assets acquired and liabilities assumed (in millions):
|  | Amounts
Cash purchase price |  | $ | 994 |
Contingent consideration |  | 309 |
Total consideration |  | $ | 1,303 |
Cash and cash equivalents |  | $ | 100 |
IPR&D |  | 1,054 |
Finite-lived intangible asset – R&D technology rights |  | 94 |
Finite-lived intangible assets – licensing rights |  | 41 |
Goodwill |  | 251 |
Other assets, net |  | 16 |
Deferred tax liability |  | (253) |
Total assets acquired, net |  | $ | 1,303 |
The consideration for this transaction were (i) an upfront cash payment of $994 million, which included a working-capital adjustment and (ii) future contingent milestone payments to Teneobio’s former equity holders of up to $1.6 billion in cash, based on the achievement of various development and regulatory milestones with regard to the leading asset (AMG 340, formerly TNB-585) and to various development milestones for other drug candidates. The estimated fair value of the contingent consideration obligations aggregated $309 million as of the acquisition date and were determined using a probability-weighted expected return methodology. The assumptions in this method include the probability of achieving the milestones and the expected payment dates, with such amounts discounted to present value based on our pre-tax cost of debt. See Note 17, Fair value measurement, for information regarding the estimated fair value of these obligations as of December 31, 2021. The estimated fair values of acquired IPR&D assets totaled $1.1 billion, of which $784 million relates to AMG 340, that is in a phase 1 clinical trial for the treatment of mCRPC, and the balance relates to four separate preclinical oncology programs. The R&D technology rights of $94 million relate to Teneobio’s proprietary bispecific and multispecific antibody technologies and will be amortized over ten years using the straight-line method. Teneobio has also licensed its technology and certain identified targets to various third parties, representing contractual agreements valued at $41 million. The estimated fair values for these intangible assets were determined using a multi-period excess earnings income approach that discounts expected future cash flows to present value by applying a discount rate that represents the estimated rate that market participants would use to value the intangible assets. The projected cash flows were based on certain assumptions attributable to the respective intangible asset, including estimates of future revenues and expenses, the time and resources needed to complete development and the probabilities of obtaining marketing approval from the FDA and other regulatory agencies. A deferred tax liability of $253 million was recognized on the temporary differences related to the book bases and tax bases of the acquired identifiable assets and assumed liabilities, primarily driven by the intangible assets acquired. The excess of the acquisition date consideration over the fair values assigned to the assets acquired and the liabilities assumed of $251 million was recorded as goodwill, which is not deductible for tax purposes. The goodwill value represents expected synergies from both AMG 340 and the technologies acquired. Our accounting for this acquisition is preliminary and will be finalized upon completion of our analysis to determine the acquisition date fair values of certain assets acquired, liabilities assumed and tax-related items as we obtain additional information during the measurement period of up to one year from the acquisition date. Five Prime Therapeutics, Inc. On April 16, 2021, Amgen acquired the outstanding stock of Five Prime for total consideration of $1.6 billion, net of cash acquired. The purchase price was funded with cash on hand. This transaction was accounted for as an asset acquisition because substantially all the value of the assets acquired was concentrated in the intellectual property rights of bemarituzumab, a phase 3 trial-ready, first-in-class program for gastric cancer. The operations of Five Prime have been included in our consolidated financial statements commencing after the acquisition date. We allocated the consideration to acquire Five Prime to the bemarituzumab IPR&D program of $1.5 billion, which was expensed immediately in Acquired IPR&D expense in the Consolidated Statements of Income; deferred tax assets of $177 million; and other net liabilities of $47 million. The acquired IPR&D expense was not tax deductible. Otezla On November 21, 2019, we acquired worldwide rights to Otezla, the only oral, non-biologic treatment for psoriasis and psoriatic arthritis, along with certain related assets and liabilities, from Celgene. Otezla is primarily used for the treatment of patients with moderate-to-severe plaque psoriasis for whom phototherapy or systemic therapy is appropriate and is approved in more than 50 markets outside the United States, including the European Union and Japan. The acquisition was accounted for as an asset acquisition under GAAP because substantially all of the value of the assets acquired was concentrated in the global intellectual property rights of Otezla. The operations of Otezla have been included in our consolidated financial statements commencing on the acquisition date. The following table summarizes the consideration transferred and the allocation of the estimated accumulated cost, including tax adjustments, to the assets acquired and liabilities assumed (in millions):
|  | Amounts
Cash purchase price |  | $ | 13,400 |
Transaction costs |  | 40 |
Accumulated cost (consideration transferred) |  | $ | 13,440 |
Intangible assets: |  |
Developed-product-technology rights |  | $ | 13,007 |
Marketing-related rights |  | 195 |
Inventory |  | 367 |
Deferred tax liability, net |  | (24) |
Deferred credit |  | (96) |
Other liabilities, net |  | (9) |
Total assets acquired, net |  | $ | 13,440 |
Amgen allocated the accumulated cost of the acquisition to the assets acquired based on their relative fair values. The accumulated cost of the acquisition includes direct acquisition-related costs and applicable taxes. Goodwill is not recognized in the accounting for an asset acquisition. Rather, the excess of the accumulated cost over the fair value of the net assets acquired is reallocated to the nonfinancial assets acquired. The developed-product-technology rights acquired relate to Otezla. The estimated fair value was determined by using a multi-period excess earnings income approach, which is based on the present value of the incremental after-tax cash flows attributable only to the intangible asset. The developed-product-technology rights is being amortized over a weighted-average period of 8.5 years by using the straight-line method. The estimated fair value of marketing-related rights, which relate to assembled workforce, was determined using a replacement cost approach, which consists of developing an estimate of the current cost of a similar new asset having the nearest equivalent utility to the asset being valued. The assembled workforce is being amortized over a period of 5 years by using the straight-line method. The estimated fair value of the acquired inventory was determined using the comparative sales method, which uses actual or expected selling prices of inventory as the base amount to which adjustments for selling effort and a profit on the buyer’s effort are applied. Inventory fair value adjustments is being amortized as inventory turns over, which we estimate to approximate 2.5 years. Upon closing, we had a difference between the book basis and tax basis of the assets acquired. The Company used the simultaneous equations method to determine the assigned value of the net assets acquired and the related deferred tax assets or liabilities. Use of this methodology resulted in an increase to the carrying value of the intangible assets of $119 million, a net deferred tax liability of $24 million and a deferred credit of $96 million. The tax effects of the acquisition are based on Amgen’s estimated blended statutory tax rate of 20%. Nuevolution AB On July 15, 2019, we acquired all of the outstanding stock of Nuevolution, a publicly traded, Denmark-based biotechnology company with a leading small molecule drug discovery platform, for total consideration of $183 million in cash. The transaction, which was accounted for as a business combination, expands our ability to discover novel small molecules against difficult-to-drug targets and with greater speed and efficiency. Nuevolution’s operations, which are not material, have been included in our consolidated financial statements commencing on the acquisition date. We allocated the consideration to acquire Nuevolution to finite-lived intangible assets of $150 million, primarily comprised of technology rights for a drug discovery platform with an estimated useful life of 10 years; goodwill of $26 million, which is not tax deductible; deferred tax liabilities of $22 million; and other net assets of $29 million. The estimated fair values of intangible assets were determined primarily by using a probability-weighted-income approach, which discounts expected future cash flows to present value by using a discount rate that represents the estimated rate that market participants would use to value the intangible assets.

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