Restructuring Program - Restructuring Activity (Details) $ in Millions	3 Months Ended
	Sep. 30, 2024 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 166
Cost incurred	886
Cost paid/settled	(879)
Ending balance	172
Separation Costs
Restructuring Reserve [Roll Forward]
Beginning balance	133
Cost incurred	16
Cost paid/settled	(33)
Ending balance	116
Asset-Related Costs
Restructuring Reserve [Roll Forward]
Beginning balance	0
Cost incurred	30
Cost paid/settled	(30)
Ending balance	0
Other Costs
Restructuring Reserve [Roll Forward]
Beginning balance	32
Cost incurred	839
Cost paid/settled	(815)
Ending balance	$ 56