XML 25 R14.htm IDEA: XBRL DOCUMENT v3.22.1
Goodwill
 3 Months Ended
Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Goodwill
Changes in the carrying amount of goodwill by reportable segment are as follows:
(Dollars in millions)ASCIMSTotal
Balance as of December 31, 2021$652 $419 $1,071 
Reclassification to assets held for sale(117)(117)
Balance as of March 31, 2022535 419 954