SUMMARY OF ACCOUNTING POLICIES (Tables)

12 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Summary of the activity in the Company's allowance for doubtful accounts

The following table summarizes the activity in the Company's allowance for doubtful accounts during fiscal years 2022, 2021 and 2020:

	Balance at Beginning of Year		Charged to Costs and Expenses (1)		Deductions/ Write-Offs		Balance at End of Year
	(In millions)
Allowance for doubtful accounts:
Year ended March 31, 2020	$	91	$	24	$	(19)	$	96
Year ended March 31, 2021	96		5		(40)		61
Year ended March 31, 2022	61		(3)		(2)		56

(1)Charges incurred and recoveries during fiscal years 2022, 2021 and 2020 are primarily for costs and expenses or bad debt recoveries related to various distressed customers.

Schedule of cash and cash equivalents

Cash and cash equivalents consisted of the following:

	As of March 31,
	2022		2021
	(In millions)
Cash and bank balances	$	679	$	1,130
Money market funds and time deposits	2,285		1,507
	$	2,964	$	2,637

Schedule of components of inventories

The components of inventories, net of applicable lower of cost or net realizable value write-downs, were as follows:

	As of March 31,
	2022		2021
	(In millions)
Raw materials	$	5,290	$	2,831
Work-in-progress	602		459
Finished goods	688		605
	$	6,580	$	3,895

Schedule of property and equipment, net

Property and equipment is comprised of the following:

	Depreciable Life (In Years)	As of March 31,
		2022		2021
		(In millions)
Machinery and equipment	2 - 10	$	3,540	$	3,381
Buildings	30	1,123		1,103
Leasehold improvements	Shorter of lease term or useful life of the improvement	564		500
Furniture, fixtures, computer equipment and software	3 - 7	503		491
Land	—	113		113
Construction-in-progress	—	261		255
		6,104		5,843
Accumulated depreciation and amortization		(3,979)		(3,746)
Property and equipment, net		$	2,125	$	2,097

Schedule of goodwill

The following table summarizes the activity in the Company's goodwill during fiscal years 2022 and 2021:

	FAS		FRS		Nextracker		Total
	(In millions)
Balance at March 31, 2020	$	370	$	695	$	—	$	1,065
Divestitures	—		(1)		—		(1)
Foreign currency translation adjustments	1		25		—		26
Balance at March 31, 2021	$	371	$	719	$	—	$	1,090
Reporting unit reallocation	—		(204)		204		—
Acquisitions	—		272		—		272
Foreign currency translation adjustments	—		(20)		—		(20)
Balance at March 31, 2022	$	371	$	767	$	204	$	1,342

Schedule of components of acquired intangible assets

The components of acquired intangible assets are as follows:

	As of March 31, 2022							As of March 31, 2021
	Weighted-Average Remaining Useful life (in Years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
		(In millions)
Intangible assets:
Customer-related intangibles	6.8	$	385	$	(157)	$	228	$	276	$	(154)	$	122
Licenses and other intangibles	6.8	319		(136)		183		250		(159)		91
Total		$	704	$	(293)	$	411	$	526	$	(313)	$	213

Schedule of estimated future annual amortization expense for intangible assets

The estimated future annual amortization expense for acquired intangible assets is as follows:

Fiscal Year Ending March 31,	Amount
	(In millions)
2023	$	87
2024	72
2025	65
2026	44
2027	37
Thereafter	106
Total amortization expense	$	411