Income Taxes - Schedule of Changes in Uncertain Tax Positions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Change in unrecognized tax benefits:
Balance at beginning of year	$ 54	$ 48	$ 100
Gross increases related to current period tax positions	8	8	19
Gross increases related to prior periods tax positions	6		9
Gross decreases related to prior periods tax positions			(8)
Decrease related to resolutions of audits with tax authorities	(7)
Expiration of the statute of limitations for the assessment of taxes	(2)	(2)
Potential Indemnifications to Honeywell for US and foreign taxes as contractually obligated in connection with Tax Matters Agreement			(71)
Foreign currency translation	1		(1)
Balance at end of year	$ 60	$ 54	$ 48