Supplemental Balance Sheet Information (Details) $ in Millions	Mar. 31, 2021 USD ($) days	Dec. 31, 2020 USD ($)
Accounts and Notes Receivable [Abstract]
Number of days from the period in which the corresponding sales occur that trade receivables are generally due | days	30
Accounts and notes receivable, gross	$ 545	$ 579
Allowance for doubtful accounts	(37)	(45)
Accounts and notes receivable, net	$ 508	$ 534