Accounts and Notes Receivable Allowance Rollforward (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Receivables [Abstract]
Accounts Receivable, Allowance for Credit Loss, Beginning Balance	$ 210	$ 208
Net Benefit for Credit Losses	12	(3)
Write-offs charged against allowance/ other	11	11
Accounts Receivable, Allowance for Credit Loss, Ending Balance	$ 233	$ 216