Revenue Recognition - Trade Allowance for Credit Losses (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Roll forward of notes and accounts receivable - trade allowance for credit losses
Allowance for Credit Loss, Beginning Balance	$ 192	$ 233
Additions / (Releases)	(8)	32
Write-offs	(29)	(79)
Foreign currency and other	(3)	6
Allowance for Credit Loss, Ending Balance	$ 152	$ 192