Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2022

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, 2022		December 31, 2021
Commercial paper	$	245	$	109
Certificates of deposit/time deposits	14		14
U.S. treasury securities	—		75
U.S. municipal securities	3		3
Current marketable securities	262		201
U.S. municipal securities	27		27
Non-current marketable securities	27		27
Total marketable securities	$	289	$	228

Schedule of marketable securities by contractual maturity

The balances at June 30, 2022 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, 2022
Due in one year or less	$	262
Due after one year through five years	15
Due after five years through ten years	12
Total marketable securities	$	289