Restructuring Actions - Narrative (Details) $ in Millions	3 Months Ended				6 Months Ended	27 Months Ended
	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Sep. 30, 2022 USD ($) position	Mar. 31, 2022 USD ($)	Jun. 30, 2023 USD ($) position party	Mar. 31, 2022 USD ($) position	Dec. 31, 2022 USD ($)
2023 Restructuring Actions
Restructuring Cost and Reserve
Restructuring and related cost, expected number of positions affected | party					5,100
Incremental expense incurred	$ 212	$ 52			$ 264
Accrued restructuring action balances	188				188
2023 Restructuring Actions | Employee Related
Restructuring Cost and Reserve
Incremental expense incurred	192	$ 52
Accrued restructuring action balances	188				$ 188
2023 to 2024 Restructuring Actions
Restructuring Cost and Reserve
Restructuring and related cost, expected number of positions affected | position					8,500
2023 to 2024 Restructuring Actions | Employee Related | Minimum
Restructuring Cost and Reserve
Expected charges	700				$ 700
2023 to 2024 Restructuring Actions | Employee Related | Maximum
Restructuring Cost and Reserve
Expected charges	$ 900				$ 900
Operational/Marketing Capability Restructuring
Restructuring Cost and Reserve
Restructuring and related cost, expected number of positions affected | position						3,100
Incremental expense incurred				$ 18
Expected charges				$ 280		$ 280
Divestiture-Related Restructuring​
Restructuring Cost and Reserve
Restructuring and related cost, expected number of positions affected | position			850
Expected charges			$ 41
Divestiture-Related Restructuring​ | Employee Related
Restructuring Cost and Reserve
Accrued restructuring action balances							$ 10