Goodwill and Intangible Assets (Tables)
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12 Months Ended |
Dec. 31, 2019 |
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| Goodwill and Intangible Assets Disclosure [Abstract] |
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| Summary of changes in the carrying amount of goodwill |
The following table summarizes the changes in the carrying amount of goodwill: | | | | | (in millions) | | Balance as of December 31, 2017 | $ | 15,785 |
| Foreign currency translation | (122 | ) | Balance as of December 31, 2018 | 15,663 |
| Foreign currency translation | (59 | ) | Balance as of December 31, 2019 | $ | 15,604 |
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| Schedule of definite-lived intangible assets |
The following table summarizes intangible assets: | | | | | | | | | | | | | | | | | | | | | | | | | | 2019 | | 2018 | as of December 31 (in millions) | Gross carrying amount | | Accumulated amortization | | Net carrying amount | | Gross carrying amount | | Accumulated amortization | | Net carrying amount | Definite-lived intangible assets | | | | | | | | | | | | Developed product rights | $ | 19,547 |
| | $ | (6,405 | ) | | $ | 13,142 |
| | $ | 15,872 |
| | $ | (5,614 | ) | | $ | 10,258 |
| License agreements | 7,798 |
| | (2,291 | ) | | 5,507 |
| | 7,865 |
| | (1,810 | ) | | 6,055 |
| Total definite-lived intangible assets | 27,345 |
| | (8,696 | ) | | 18,649 |
| | 23,737 |
| | (7,424 | ) | | 16,313 |
| Indefinite-lived research and development | — |
| | — |
| | — |
| | 4,920 |
| | — |
| | 4,920 |
| Total intangible assets, net | $ | 27,345 |
| | $ | (8,696 | ) | | $ | 18,649 |
| | $ | 28,657 |
| | $ | (7,424 | ) | | $ | 21,233 |
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| Schedule of indefinite-lived intangible assets |
The following table summarizes intangible assets: | | | | | | | | | | | | | | | | | | | | | | | | | | 2019 | | 2018 | as of December 31 (in millions) | Gross carrying amount | | Accumulated amortization | | Net carrying amount | | Gross carrying amount | | Accumulated amortization | | Net carrying amount | Definite-lived intangible assets | | | | | | | | | | | | Developed product rights | $ | 19,547 |
| | $ | (6,405 | ) | | $ | 13,142 |
| | $ | 15,872 |
| | $ | (5,614 | ) | | $ | 10,258 |
| License agreements | 7,798 |
| | (2,291 | ) | | 5,507 |
| | 7,865 |
| | (1,810 | ) | | 6,055 |
| Total definite-lived intangible assets | 27,345 |
| | (8,696 | ) | | 18,649 |
| | 23,737 |
| | (7,424 | ) | | 16,313 |
| Indefinite-lived research and development | — |
| | — |
| | — |
| | 4,920 |
| | — |
| | 4,920 |
| Total intangible assets, net | $ | 27,345 |
| | $ | (8,696 | ) | | $ | 18,649 |
| | $ | 28,657 |
| | $ | (7,424 | ) | | $ | 21,233 |
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| Schedule of anticipated annual amortization expense |
The anticipated annual amortization expense for definite-lived intangible assets recorded as of December 31, 2019 is as follows: | | | | | | | | | | | | | | | | | | | | | (in billions) | 2020 | | 2021 | | 2022 | | 2023 | | 2024 | Anticipated annual amortization expense | $ | 1.8 |
| | $ | 2.0 |
| | $ | 2.3 |
| | $ | 2.4 |
| | $ | 2.5 |
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