Impairment of Long-Lived Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Dec. 31, 2019
Impairment of Long Lived Assets [Line Items]
Impairment of Long-Lived Assets Held-for-use	$ 40	$ 54	$ 42	$ 39
Global Products
Impairment of Long Lived Assets [Line Items]
Impairment of Long-Lived Assets Held-for-use	32	16	9	33
Impairment of Long-Lived Assets to be Disposed of				15
Building Solutions EMEA/LA
Impairment of Long Lived Assets [Line Items]
Impairment of Long-Lived Assets Held-for-use	5
Building Solutions North America
Impairment of Long Lived Assets [Line Items]
Impairment of Long-Lived Assets Held-for-use	$ 3	29	9	$ 6
Corporate Segment
Impairment of Long Lived Assets [Line Items]
Impairment of Long-Lived Assets Held-for-use		5
Building Solutions Asia Pacific
Impairment of Long Lived Assets [Line Items]
Impairment of Long-Lived Assets Held-for-use		$ 4	$ 24