Restructuring Costs - Restructuring Liability (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	$ 152
Costs Expensed, Net of Reversals	33	$ 67
Costs Not Affecting Restructuring Liability	(17)
Cash Paid	(48)
Other	(7)
Restructuring Liability, ending balance	113
Fiscal 2023 Plan
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	0
Costs Expensed, Net of Reversals	24
Costs Not Affecting Restructuring Liability	(10)
Cash Paid	(4)
Other	(1)
Restructuring Liability, ending balance	9
Fiscal 2023 Plan | Workforce Reductions
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	0
Costs Expensed, Net of Reversals	15
Costs Not Affecting Restructuring Liability	(1)
Cash Paid	(4)
Other	(1)
Restructuring Liability, ending balance	9
Fiscal 2023 Plan | Facilities Costs
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	0
Costs Expensed, Net of Reversals	9
Costs Not Affecting Restructuring Liability	(9)
Cash Paid	0
Other	0
Restructuring Liability, ending balance	0
Fiscal 2022 Plan
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	85
Costs Expensed, Net of Reversals	9
Costs Not Affecting Restructuring Liability	(7)
Cash Paid	(31)
Other	(4)
Restructuring Liability, ending balance	52
Fiscal 2022 Plan | Workforce Reductions
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	84
Costs Expensed, Net of Reversals	1
Costs Not Affecting Restructuring Liability	(2)
Cash Paid	(28)
Other	(4)
Restructuring Liability, ending balance	51
Fiscal 2022 Plan | Facilities Costs
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	1
Costs Expensed, Net of Reversals	8
Costs Not Affecting Restructuring Liability	(5)
Cash Paid	(3)
Other	0
Restructuring Liability, ending balance	1
Fiscal 2021 Plan
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	34
Costs Expensed, Net of Reversals	(1)
Costs Not Affecting Restructuring Liability	0
Cash Paid	(7)
Other	(2)
Restructuring Liability, ending balance	24
Fiscal 2021 Plan | Workforce Reductions
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	33
Costs Expensed, Net of Reversals	(1)
Costs Not Affecting Restructuring Liability	0
Cash Paid	(6)
Other	(2)
Restructuring Liability, ending balance	24
Fiscal 2021 Plan | Facilities Costs
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	1
Costs Expensed, Net of Reversals	0
Costs Not Affecting Restructuring Liability	0
Cash Paid	(1)
Other	0
Restructuring Liability, ending balance	0
Other Prior Year Plans
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	12
Costs Expensed, Net of Reversals	1
Costs Not Affecting Restructuring Liability	0
Cash Paid	(5)
Other	(1)
Restructuring Liability, ending balance	7
Other Prior Year Plans | Workforce Reductions
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	10
Costs Expensed, Net of Reversals	1
Costs Not Affecting Restructuring Liability	0
Cash Paid	(5)
Other	(1)
Restructuring Liability, ending balance	5
Other Prior Year Plans | Facilities Costs
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	2
Costs Expensed, Net of Reversals	0
Costs Not Affecting Restructuring Liability	0
Cash Paid	0
Other	0
Restructuring Liability, ending balance	2
Acquired Liabilities
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	21
Costs Expensed, Net of Reversals	0
Costs Not Affecting Restructuring Liability	0
Cash Paid	(1)
Other	1
Restructuring Liability, ending balance	21
Acquired Liabilities | Workforce Reductions
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	21
Costs Expensed, Net of Reversals	0
Costs Not Affecting Restructuring Liability	0
Cash Paid	(1)
Other	1
Restructuring Liability, ending balance	21
Acquired Liabilities | Facilities Costs
Restructuring Reserve [Roll Forward]
Restructuring Liability, beginning balance	0
Costs Expensed, Net of Reversals	0
Costs Not Affecting Restructuring Liability	0
Cash Paid	0
Other	0
Restructuring Liability, ending balance	$ 0