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Marketable Securities
 9 Months Ended
Sep. 30, 2024
Debt Securities, Available-for-Sale [Abstract]  
Marketable Securities
NOTE 11. Marketable Securities
The Company invests in certificates of deposit/time deposits, commercial paper, and other securities. The following is a summary of amounts recorded on the Consolidated Balance Sheet for marketable securities (current and non-current).
(Millions)September 30, 2024December 31, 2023
Asset backed securities
$12 $— 
Foreign corporate debt
32 — 
U.S. government securities
41 — 
Corporate debt securities459 — 
Commercial paper390 — 
Certificates of deposit/time deposits98 46 
U.S. treasury securities209 — 
U.S. municipal securities4 4 
Current marketable securities1,245 50 
U.S. municipal securities20 20 
Non-current marketable securities20 20 
Total marketable securities$1,265 $70 
At September 30, 2024 and December 31, 2023, gross unrealized, gross realized, and net realized gains and/or losses (pre-tax) were not material.
The balances at September 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 $1,201 
Due after one year through five years 64 
Due after five years through ten years — 
Total marketable securities $1,265