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Marketable Securities (Tables)
 6 Months Ended
Jun. 30, 2023
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, 2023December 31, 2022
Commercial paper $10 $213 
Certificates of deposit/time deposits 42 21 
U.S. municipal securities4 4 
Current marketable securities56 238 
U.S. municipal securities 23 23 
Non-current marketable securities23 23 
Total marketable securities$79 $261 
Schedule of Marketable Securities by Contractual Maturity
The balances at June 30, 2023 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) June 30, 2023
Due in one year or less $56 
Due after one year through five years 15 
Due after five years through ten years 8 
Total marketable securities $79