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Interest Expense (Tables)
 3 Months Ended
Mar. 31, 2025
Interest Expense, Operating and Nonoperating [Abstract]  
Schedule of interest expense
Details of interest expense are as follows:
 Three months ended 
 March 31,
 20252024
 (in millions)
Interest on borrowings(1)
$37 $37 
Fees on financing agreements(1)
2 2 
Interest capitalized(2)(2)
Total interest expense$37 $37 
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(1)See Note 10—Financing Agreements for additional information.