Other Charges - Summary of Other Charges (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Restructuring Reserve [Roll Forward]
Beginning balance			$ 320
2023 Other charges	$ 22	$ 993	40	$ 989
Less: Cash payments / receipts			(101)
Less: Non-cash charges			7
Foreign currency translation and other			(3)
Ending balance	263		263
Total cost reduction program related charges
Restructuring Reserve [Roll Forward]
Beginning balance			308
2023 Other charges			24
Less: Cash payments / receipts			(101)
Less: Non-cash charges			0
Foreign currency translation and other			(3)
Ending balance	228		228
Severance costs | Total cost reduction program related charges
Restructuring Reserve [Roll Forward]
Beginning balance			281
2023 Other charges			24
Less: Cash payments / receipts			(100)
Less: Non-cash charges			0
Foreign currency translation and other			(3)
Ending balance	202		202
Other cost reduction charges | Total cost reduction program related charges
Restructuring Reserve [Roll Forward]
Beginning balance			27
2023 Other charges			0
Less: Cash payments / receipts			(1)
Less: Non-cash charges			0
Foreign currency translation and other			0
Ending balance	26		26
Other charges
Restructuring Reserve [Roll Forward]
Beginning balance			12
2023 Other charges			16
Less: Cash payments / receipts			0
Less: Non-cash charges			7
Foreign currency translation and other			0
Ending balance	$ 35		$ 35