Other Charges - Narrative (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Other charges	$ 2	$ 15		$ 42	$ 1,004
Other charges, tax expense (benefit)				(79)
Resolution of U.S. Income Tax Audit
Restructuring Cost and Reserve [Line Items]
Other charges, tax expense (benefit)				(124)
Accrual for Potential Settlement of International Income Tax Matter
Restructuring Cost and Reserve [Line Items]
Other charges, tax expense (benefit)				85
Deconsolidation | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Other charges			$ 787
Other charges, tax expense (benefit)			730
Loss on deconsolidation of Russian subsidiaries			407
Receivables write-off			$ 380
Other cost reduction charges | Russia-Ukraine Conflict
Restructuring Cost and Reserve [Line Items]
Other charges					114
Other charges, tax expense (benefit)					84
Transaction Related Charges
Restructuring Cost and Reserve [Line Items]
Other charges		15		$ 18
Other charges, tax expense (benefit)		$ (10)
Impairment Related Charges
Restructuring Cost and Reserve [Line Items]
Other charges					103
Other charges, tax expense (benefit)					$ 63