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Cash, Cash Equivalents and Restricted Cash (Tables)
6 Months Ended
Jun. 30, 2024
Cash and Cash Equivalents [Abstract]  
Cash, Cash Equivalents and Restricted Cash The following table provides a reconciliation of Cash and cash equivalents as reported in the unaudited condensed consolidated balance sheets to Cash, cash equivalents and restricted cash shown in the unaudited condensed consolidated statements of cash flows (in millions):
 June 30, 2024December 31, 2023
Cash and cash equivalents$276 $299 
Restricted cash included in Other noncurrent assets (1)
25 — 
Cash, cash equivalents and restricted cash$301 $299 
(1)     Represents cash held with our captive insurance subsidiary for payments on self-insured claims. This amount was largely invested into debt and equity securities in July 2024.