Restructuring and Other Costs - Schedule of Restructuring and other costs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2021	Jan. 01, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs	$ 12	$ 1	$ 24	$ 142
Continuing Operations
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs	12	1	24	142
Discontinued operations
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs				66
Severance and termination benefit costs \| Continuing Operations
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs	1	0	5	18
Severance and termination benefit costs \| Discontinued operations
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs				64
Contract cancellation charges \| Continuing Operations
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs	1	0	2	49
Stock-based compensation charges \| Continuing Operations
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs	0	1	0	9
Asset write-offs \| Continuing Operations
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs	0	0	0	58
Other exit and disposal costs \| Continuing Operations
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs	$ 10	$ 0	$ 17	8
Separation costs \| Discontinued operations
Restructuring Cost and Reserve [Line Items]
Restructuring, transition and other costs				$ 2