v3.26.1
Supplemental Cash Flow information - Reconciliation of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Supplemental Cash Flow Elements [Abstract]        
Cash and cash equivalents $ 563 $ 670    
Restricted cash and restricted cash equivalents [1] 52 54    
Cash, cash equivalents, restricted cash and restricted cash equivalents $ 615 $ 724 $ 514 $ 763
[1] At March 31, 2026 and December 31, 2025, the restricted cash and restricted cash equivalent balances of $52 and $54, respectively, primarily includes cash and cash equivalents included in an escrow account as per the terms of the MOU, which is classified as a noncurrent asset. See “Note 17 – Commitments and Contingent Liabilities” for further details.