v3.20.4
Goodwill and Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
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, 2018$15,663 
Foreign currency translation adjustments(59)
Balance as of December 31, 201915,604 
Additions(a)
17,008 
Foreign currency translation adjustments512 
Balance as of December 31, 2020$33,124 
Schedule of definite-lived intangible assets
The following table summarizes intangible assets:
20202019
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$87,707 $(11,620)$76,087 $19,547 $(6,405)$13,142 
License agreements7,828 (2,916)4,912 7,798 (2,291)5,507 
Total definite-lived intangible assets95,535 (14,536)80,999 27,345 (8,696)18,649 
Indefinite-lived research and development1,877 — 1,877 — — — 
Total intangible assets, net$97,412 $(14,536)$82,876 $27,345 $(8,696)$18,649 
Schedule of indefinite-lived intangible assets
The following table summarizes intangible assets:
20202019
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$87,707 $(11,620)$76,087 $19,547 $(6,405)$13,142 
License agreements7,828 (2,916)4,912 7,798 (2,291)5,507 
Total definite-lived intangible assets95,535 (14,536)80,999 27,345 (8,696)18,649 
Indefinite-lived research and development1,877 — 1,877 — — — 
Total intangible assets, net$97,412 $(14,536)$82,876 $27,345 $(8,696)$18,649 
Schedule of anticipated annual amortization expense The anticipated annual amortization expense for definite-lived intangible assets recorded as of December 31, 2020 is as follows:
(in billions)20212022202320242025
Anticipated annual amortization expense$7.7 $7.2 $7.5 $8.0 $8.4