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Collaborative Arrangements (Tables) | 3 Months Ended
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Mar. 31, 2019
Collaborative Arrangements [Abstract] |
Collaboration Arrangements | Summarized information related to this collaboration is as follows:
| Three Months Ended March 31,
($ in millions) | 2019 |  | 2018
Alliance revenue | $ | 79 |  |  | $ | 33 |
Cost of sales (1) | 19 |  |  | 12 |
Selling, general and administrative | 27 |  |  | 7 |
Research and development | 45 |  |  | 29 |
($ in millions) | March 31, 2019 |  | December 31, 2018
Receivables from AstraZeneca included in Other current assets | $ | 80 |  |  | $ | 52 |
Payables to AstraZeneca included in Accrued and other current liabilities (2) | 584 |  |  | 405 |
Payables to AstraZeneca included in Other Noncurrent Liabilities (2) | — |  |  | 250 |
(1) Represents amortization of capitalized milestone payments. (2) Includes accrued milestone and license option payments. Summarized information related to this collaboration is as follows:
| Three Months Ended March 31,
($ in millions) | 2019 |  | 2018
Net product sales recorded by Merck | $ | 48 |  |  | $ | 43 |
Merck’s profit share from sales in Bayer’s marketing territories | 42 |  |  | 25 |
Total sales | 90 |  |  | 68 |
Cost of sales (1) | 29 |  |  | 27 |
Selling, general and administrative | 8 |  |  | 8 |
Research and development | 30 |  |  | 28 |
($ in millions) | March 31, 2019 |  | December 31, 2018
Receivables from Bayer included in Other current assets | $ | 33 |  |  | $ | 32 |
Payables to Bayer included in Other Noncurrent Liabilities (2) | 375 |  |  | 375 |
(1) Includes amortization of intangible assets. (2) Includes accrued milestone payments. Summarized information related to this collaboration is as follows:
| Three Months Ended March 31,
($ in millions) | 2019 |  | 2018
Alliance revenue | $ | 74 |  |  | $ | — |
Cost of sales (1) | 51 |  |  | — |
Selling, general and administrative | 19 |  |  | — |
Research and development (2) | 47 |  |  | 1,400 |
($ in millions) | March 31, 2019 |  | December 31, 2018
Receivables from Eisai included in Other current assets | $ | 75 |  |  | $ | 71 |
Payables to Eisai included in Accrued and other current liabilities (3) | 557 |  |  | 375 |
Payables to Eisai included in Other Noncurrent Liabilities (3) | 325 |  |  | 543 |
(1) Represents amortization of capitalized milestone payments. (2) Amount in 2018 reflects the upfront payment and future option payments. (3) Includes accrued milestone and option payments.

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- Definition Collaborative Arrangements [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of contractual arrangements that involve two or more parties that both: (i) actively participate in a joint operating activity and (ii) are exposed to significant risks and rewards that depend on the commercial success of the joint operating activity. Additionally, the element may include all other transactions of the entity categorized collectively, if such comparison of collaborative arrangements as a component of all transactions of the entity is desired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 808 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434 + Details
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