v3.25.2
Goodwill
6 Months Ended
Jun. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Goodwill
The Company's goodwill relates to acquisitions of various companies.
The gross changes in the carrying amount of goodwill during the six months ended June 30, 2025 and the year ended December 31, 2024 are as follows:
June 30, 2025December 31, 2024
(in US $ millions)
Balance, beginning of the period452 427 
Acquisitions(1)(2)
39 25 
Balance, end of the period491 452 
(1) During the six months ended June 30, 2025, the Company completed the acquisition of Vantage Discovery Inc. (see note 18).
(2) During the year ended December 31, 2024, the Company completed individually immaterial acquisitions that resulted in goodwill being recognized.