Restructuring (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restructuring Charges [Abstract]
Restructuring reserves	$ 135	$ 67	$ 197
Restructuring charges, net of revisions	$ 142	$ (10)	$ 125
Restructuring charges, statement of income location not disclosed	Restructuring expense	Restructuring expense	Restructuring expense
Restructuring programs in progress	$ 270