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Marketable Securities
6 Months Ended
Jun. 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)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 
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 
At June 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 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
Total marketable securities $289