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Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Intangible Assets
The following table summarizes intangible assets as of December 31:
20242023
(in millions)LifeGross Carrying AmountAccumulated AmortizationNet Carrying AmountGross Carrying AmountAccumulated AmortizationNet Carrying Amount
Customer relationships
5 - 20 years
$261 $(211)$50 $261 $(204)$57 
Intellectual property and patents
3 - 15 years
15 (11)18 (11)
Trademarks
5 - 13 years
21 (17)25 (17)
Total$297 $(239)$58 $304 $(232)$72 
Schedule of Future Amortization Expense
As of December 31, 2024, estimated future amortization expense for intangible assets is as follows:
(in millions)
2025$11 
202610 
2027
2028
2029