TAXES - Tax Effects of Temporary Differences of Deferred Taxes (Details) - USD ($) $ in Millions	Mar. 31, 2024	Mar. 31, 2023
Deferred tax assets
Retirement benefits	$ 121	$ 115
Leases	308	280
Stock-based and other compensation	90	36
U.S. tax loss/credit carryforwards	441	412
Deferred income	65	47
Foreign tax loss/credit carryforwards	66	118
Allowance for credit losses	12	28
Goodwill and intangible assets	59	34
Workforce rebalancing charges	15	25
Limitation on deductibility of interest	79	35
Accruals	94	61
Other	57	124
Gross deferred tax assets	1,406	1,314
Less: valuation allowance	(748)	(620)
Net deferred tax assets	657	694
Deferred tax liabilities
Fixed assets and depreciation	34	7
Leases and right-of-use assets	294	267
Undistributed foreign earnings	16	19
Deferred transition costs	131	135
Prepaids	4	30
Other	16	87
Gross deferred tax liabilities	$ 494	$ 544