Annual report [Section 13 and 15(d), not S-K Item 405]

Supplemental Disclosures to Consolidated Statements of Cash Flows - Reconciliation of cash and cash equivalents and restricted cash (Details)

v3.25.0.1
Supplemental Disclosures to Consolidated Statements of Cash Flows - Reconciliation of cash and cash equivalents and restricted cash (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Supplemental Disclosures to Consolidated Statements of Cash Flows        
Cash and cash equivalents $ 163 $ 158 $ 375  
Restricted cash included in other current assets   $ 16 $ 24  
Restricted Cash and Cash Equivalents, Current, Asset, Statement of Financial Position [Extensible List] Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current  
Restricted cash and restricted cash equivalents included in other long-term assets $ 66 $ 2 $ 1  
Restricted Cash and Cash Equivalents, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other Assets, Noncurrent Other Assets, Noncurrent Other Assets, Noncurrent  
Total cash and cash equivalents, restricted cash and restricted cash equivalents at end of period $ 229 $ 176 $ 400 $ 206