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Intangible Assets
 9 Months Ended
Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Intangible Assets
Identifiable intangible assets consisted of the following:
(In millions)Gross
Carrying
Amount		Accumulated
Amortization		Net Book
Value
September 30, 2022
Customer relationships$14,435 $5,971 $8,464 
Acquired software and technology2,484 1,144 1,340 
Trade names628 277 351 
Purchased software1,111 534 577 
Capitalized software and other intangibles2,334 610 1,724 
Total$20,992 $8,536 $12,456 
(In millions)Gross
Carrying
Amount		Accumulated
Amortization		Net Book
Value
December 31, 2021
Customer relationships$15,103 $5,112 $9,991 
Acquired software and technology2,522 901 1,621 
Trade names612 228 384 
Purchased software1,133 479 654 
Capitalized software and other intangibles1,879 520 1,359 
Total$21,249 $7,240 $14,009 
Amortization expense associated with the above identifiable intangible assets was as follows:
Three Months Ended
September 30,		Nine Months Ended
September 30,
(In millions)2022202120222021
Amortization expense$608 $642 $1,854 $1,937