Related Parties (Details) - Schedule of Separation Related Transactions - USD ($) $ in Millions		3 Months Ended	9 Months Ended
	Apr. 03, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Related Party Transaction [Line Items]
Net transfers to UTC and Separation-related transactions		$ (255)	$ (6,150)	$ (568)
UTC | Separation Agreement
Related Party Transaction [Line Items]
Net transfers to UTC and Separation-related transactions	$ 407
UTC | Separation Agreement - Cash and Cash Equivalents and Settlement
Related Party Transaction [Line Items]
Net transfers to UTC and Separation-related transactions	220
UTC | Separation Agreement - Taxes and Other
Related Party Transaction [Line Items]
Net transfers to UTC and Separation-related transactions	$ 187