Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Income Tax Contingency [Line Items]
Income tax expense (benefit) related to continuing operations	$ 199	$ 26
Reported income tax expense (benefit) rates (percent)	19.80%	4.60%
Effective income tax rate reconciliation, tax (benefit), share-based payment arrangement, amount	$ 45
Discrete tax benefit recognized due to statute of limitation expirations		$ 97
Unrecognized Tax Benefits	1,500
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	1,300
Minimum
Income Tax Contingency [Line Items]
Possible decrease in unrecognized tax benefits during the next twelve months	150
Maximum
Income Tax Contingency [Line Items]
Possible decrease in unrecognized tax benefits during the next twelve months	$ 190