Sales and revenue contract information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Trade receivables from dealers and end users	$ 8,079		$ 8,079		$ 7,551	$ 7,267
Long term trade receivables from dealers and end users	482		482		506	624
Contract assets	225		225		247	187
Contract liabilities	2,592		2,592		$ 2,314	$ 1,557
Revenue recognized from contract liability balance at beginning of period	398	$ 220	1,135	$ 657
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Unsatisfied performance obligations with an original contract duration greater than one year	$ 13,200		$ 13,200
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2023-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Expected period of performance satisfaction	12 months		12 months
Remaining performance obligation, percentage	50.00%		50.00%