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Goodwill and Other Intangibles (Tables)
12 Months Ended
Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in the carrying value of goodwill
Changes in the carrying value of goodwill are presented in the following table (in millions):
Balance at December 31, 2023 and 2024$305 
Purchase of Radion
22 
Balance at December 31, 2025
$327