Marketable Securities and Held-to-Maturity Debt Securities (Tables)

6 Months Ended

Jun. 30, 2020

Marketable Securities and Held-to-Maturity Debt Securities

Schedule of marketable securities

(Millions)	June 30, 2020		December 31, 2019
Commercial paper	$	195	$	85
Certificates of deposit/time deposits		27		10
U.S. municipal securities		25		3
Current marketable securities	$	247	$	98
U.S. municipal securities	$	34	$	43
Non-current marketable securities	$	34	$	43
Total marketable securities	$	281	$	141

Marketable securities by contractual maturity

(Millions)	June 30, 2020
Due in one year or less	$	247
Due after one year through five years		14
Due after five years through ten years		20
Total marketable securities	$	281