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Goodwill And Other Intangible Assets
 3 Months Ended
Apr. 02, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets GOODWILL AND OTHER INTANGIBLE ASSETS
The following is a rollforward of the Company’s goodwill ($ in millions):
Balance, December 31, 2020$35,420 
Attributable to 2021 acquisitions333 
Attributable to 2021 divestitures(12)
Adjustments due to finalization of purchase price allocations(5)
Foreign currency translation and other(856)
Balance, April 2, 2021$34,880 
The carrying value of goodwill by segment is summarized as follows ($ in millions):
April 2, 2021December 31, 2020
Life Sciences$25,346 $25,812 
Diagnostics7,013 7,082 
Environmental & Applied Solutions2,521 2,526 
Total$34,880 $35,420 
The Company has not identified any “triggering” events which indicate an impairment of goodwill in the three-month period ended April 2, 2021.
The Company reviews identified intangible assets for impairment whenever events or changes in circumstances indicate that the related carrying amounts may not be recoverable. The Company identified impairment triggers during both the first quarter of 2021 and 2020 which resulted in the impairment of certain long-lived assets, including trade names and other intangible assets. The Company recorded impairment charges totaling $10 million and $8 million in the three-month periods ended April 2, 2021 and April 3, 2020, respectively, related to these long-lived assets.