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Marketable Securities (Tables)
 6 Months Ended
Jun. 30, 2024
Debt Securities, Available-for-Sale [Abstract]  
Schedule of Marketable Securities The following is a summary of amounts recorded on the Consolidated Balance Sheet for marketable securities (current and non-current).
(Millions)June 30, 2024December 31, 2023
Asset backed securities
$4 $— 
Foreign corporate debt
6 — 
U.S. government securities
27 — 
Corporate debt securities 70 — 
Commercial paper 40 — 
Certificates of deposit/time deposits 91 46 
U.S. treasury securities 13 — 
U.S. municipal securities4 4 
Current marketable securities255 50 
Asset backed securities
4 — 
Corporate debt securities
10 — 
U.S. municipal securities 20 20 
Non-current marketable securities34 20 
Total marketable securities$289 $70 
Schedule of Marketable Securities by Contractual Maturity
The balances at June 30, 2024 for marketable securities by contractual maturity are shown below. Actual maturities may differ from contractual maturities because the issuers of the securities may have the right to prepay obligations without prepayment penalties.
(Millions) 
Due in one year or less $255 
Due after one year through five years 25 
Due after five years through ten years 9 
Total marketable securities $289