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Auditor's remuneration paid to Pricewaterhouse Coopers LLP (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Auditors Remuneration [Line Items]      
Audit of the Financial Statements $ 7 $ 7 $ 7
Audit of subsidiaries 3 3 3
Other assurance services 2 1 1
Total expense related to remuneration 12 11 11
SEC Regulations      
Auditors Remuneration [Line Items]      
Audit of the Financial Statements 11 10 10
Other audit-related 1 1 1
Total expense related to remuneration $ 12 $ 11 $ 11