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Goodwill and Other Intangibles (Tables)
12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in the carrying value of goodwill
Changes in the carrying value of goodwill during 2019, 2020 and 2021 are presented in the following table (in millions):
Balance at January 1, 2019 and December 31, 2019 and 2020$176 
Purchase of Verikai70 
Balance at December 31, 2021$246