Marketable Securities (Tables)

3 Months Ended

Mar. 31, 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)	March 31, 2024		December 31, 2023
Certificates of deposit/time deposits	$	56	$	49
U.S. municipal securities	4		4
Current marketable securities	60		53
U.S. municipal securities	20		20
Non-current marketable securities	20		20
Total marketable securities	$	80	$	73

Schedule of Marketable Securities by Contractual Maturity

The balances at March 31, 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	$	60
Due after one year through five years	11
Due after five years through ten years	9
Total marketable securities	$	80