Income Taxes (Tables)

12 Months Ended

Mar. 31, 2020

Income Tax Disclosure [Abstract]

Sources Of Income Before Income Taxes Classified Between Domestic And Foreign Entities

The sources of income (loss) from continuing operations, before income taxes, classified between domestic entities and those entities domiciled outside of the United States, are as follows:

	Fiscal Years Ended
(in millions)	March 31, 2020			March 31, 2019		March 31, 2018
Domestic entities	$	(2,928	)	$	511	$	454
Entities outside the United States	(2,300		)	1,004		850
Total	$	(5,228	)	$	1,515	$	1,304

Components Of Income Tax Provision

The income tax expense (benefit) on income (loss) from continuing operations is comprised of:

	Fiscal Years Ended
(in millions)	March 31, 2020			March 31, 2019			March 31, 2018
Current:
Federal	$	3		$	(50	)	$	392
State	16			42			16
Foreign	167			218			247
	186			210			655
Deferred:
Federal	(125		)	95			(899		)
State	17			23			(59		)
Foreign	52			(40		)	61
	(56		)	78			(897		)
Total income tax expense (benefit)	$	130		$	288		$	(242	)

Federal Statutory Tax Rate To Effective Tax Rate Reconciliation

The major elements contributing to the difference between the U.S. federal statutory tax rate and the effective tax rate ("ETR") for continuing operations is below. Due to the Company's fiscal year, the U.S. federal weighted statutory tax rate for the fiscal years ended March 31, 2020, March 31, 2019, and March 31, 2018 were of 21.0%, 21.0% and 31.5%, respectively.

	Fiscal Years Ended
	March 31, 2020		March 31, 2019		March 31, 2018
Statutory rate	(21.0	)%	21.0	%	31.5	%
State income tax, net of federal tax	(1.4	)	3.2		2.0
Foreign tax rate differential	(11.9	)	(18.4	)	(5.7	)
Goodwill impairment	28.3		—		—
Change in valuation allowances	12.1		16.9		(7.7	)
Income Tax and Foreign Tax Credits	(2.6	)	(0.6	)	(7.6	)
Arbitration Award	(3.6	)	—		—
Change in uncertain tax positions	1.1		(1.5	)	(0.2	)
Withholding Taxes	0.9		3.5		2.3
U.S. Tax on Foreign Income	0.4		2.4		2.1
Excess tax benefits for stock compensation	0.1		(1.1	)	(3.0	)
Capitalized transaction costs	0.1		0.1		1.0
United States Tax Reform	(0.7	)	(3.4	)	(40.6	)
Change in Indefinite Reinvestment Assertion	—		(3.1	)	3.3
Loss of attributes due to merger	—		—		5.1
Prepaid tax asset amortization	—		—		0.3
Other items, net	0.7		—		(1.4	)
Effective tax rate	2.5	%	19.0	%	(18.6	)%

Components Of Deferred Tax Assets and Liabilities

The deferred tax assets (liabilities) were as follows:

	As of
(in millions)	March 31, 2020			March 31, 2019
Deferred tax assets
Employee benefits	$	—		$	79
Tax loss/credit carryforwards	2,516			1,917
Accrued interest	12			16
Operating lease liabilities	370			—
Contract accounting	126			130
Other assets	144			139
Total deferred tax assets	3,168			2,281
Valuation allowance	(2,162		)	(1,575		)
Net deferred tax assets	1,006			706
Deferred tax liabilities
Depreciation and amortization	(850		)	(994		)
Operating right-of-use asset	(343		)	—
Investment basis differences	(68		)	(61		)
Employee benefits	(48		)	—
Other liabilities	(150		)	(63		)
Total deferred tax liabilities	(1,459		)	(1,118		)
Total net deferred tax assets (liabilities)	$	(453	)	$	(412	)

Schedule of Deferred Tax Assets and Liabilities

Income tax related assets are included in the accompanying balance sheets as follows:

	As of
(in millions)	March 31, 2020		March 31, 2019
Current:
Income tax receivables and prepaid taxes	$	58	$	113
	$	58	$	113
Non-current:
Income taxes receivable and prepaid taxes	$	180	$	137
Deferred tax assets	265		355
	$	445	$	492
Total	$	503	$	605

Income tax related liabilities are included in the accompanying balance sheet as follows:

	As of
(in millions)	March 31, 2020			March 31, 2019
Current:
Liability for uncertain tax positions	$	(12	)	$	—
Income taxes payable	(75		)	(208		)
	$	(87	)	$	(208	)
Non-current:
Deferred taxes	(718		)	(767		)
Income taxes payable	(168		)	(201		)
Liability for uncertain tax positions	(271		)	(216		)
	$	(1,157	)	$	(1,184	)
Total	$	(1,244	)	$	(1,392	)

Summary of Operating Loss Carryforwards

The following table provides information on the Company's various tax carryforwards:

	As of March 31, 2020							As of March 31, 2019
(in millions)	Total		With No Expiration		With Expiration		Expiration Dates Through	Total		With No Expiration		With Expiration		Expiration Dates Through
Net operating loss carryforwards
Federal	$	15	$	3	$	12	2033	$	25	$	—	$	25	2037
State	$	673	$	6	$	667	2040	$	845	$	9	$	836	2039
Foreign	$	10,512	$	6,471	$	4,041	2040	$	7,595	$	7,292	$	303	2039
Tax credit carryforwards
Federal	$	9	$	—	$	9	2040	$	—	$	—	$	—	N/A
State	$	16	$	7	$	9	2039	$	23	$	7	$	16	2039
Foreign	$	16	$	—	$	16	2020	$	18	$	—	$	18	2020
Capital loss carryforwards
Federal	$	—	$	—	$	—	N/A	$	—	$	—	$	—	N/A
State	$	—	$	—	$	—	N/A	$	—	$	—	$	—	N/A
Foreign	$	59	$	40	$	19	2023	$	236	$	211	$	25	2023

Summary of Tax Credit Carryforwards

The following table provides information on the Company's various tax carryforwards:

	As of March 31, 2020							As of March 31, 2019
(in millions)	Total		With No Expiration		With Expiration		Expiration Dates Through	Total		With No Expiration		With Expiration		Expiration Dates Through
Net operating loss carryforwards
Federal	$	15	$	3	$	12	2033	$	25	$	—	$	25	2037
State	$	673	$	6	$	667	2040	$	845	$	9	$	836	2039
Foreign	$	10,512	$	6,471	$	4,041	2040	$	7,595	$	7,292	$	303	2039
Tax credit carryforwards
Federal	$	9	$	—	$	9	2040	$	—	$	—	$	—	N/A
State	$	16	$	7	$	9	2039	$	23	$	7	$	16	2039
Foreign	$	16	$	—	$	16	2020	$	18	$	—	$	18	2020
Capital loss carryforwards
Federal	$	—	$	—	$	—	N/A	$	—	$	—	$	—	N/A
State	$	—	$	—	$	—	N/A	$	—	$	—	$	—	N/A
Foreign	$	59	$	40	$	19	2023	$	236	$	211	$	25	2023

Liabilities For Uncertain Tax Positions

In accordance with ASC 740, the Company’s liability for uncertain tax positions was as follows:

	Fiscal Years Ended
(in millions)	March 31, 2020			March 31, 2019
Tax	$	253		$	165
Interest	45			41
Penalties	21			25
Offset to receivable	(24		)	—
Net of tax attributes	(12		)	(15		)
Total	$	283		$	216

Summary of Income Tax Contingencies

The following table summarizes the activity related to the Company’s uncertain tax positions (excluding interest and penalties and related tax attributes):

	Fiscal Years Ended
(in millions)	March 31, 2020			March 31, 2019			March 31, 2018
Balance at beginning of fiscal year	$	165		$	219		$	192
Gross increases related to prior year tax positions	74			4			10
Gross decreases related to prior year tax positions	(9		)	(27		)	(12		)
Gross increases related to current year tax positions	15			—			7
Settlements and statute of limitation expirations	(7		)	(23		)	(19		)
Acquisitions	18			—			39
Foreign exchange and others	(3		)	(8		)	2
Balance at end of fiscal year	$	253		$	165		$	219

Schedule Of Change Of Interest And Penalties

The following table presents the change in interest and penalties from the previous reported period, as well as the liability at the end of each period presented:

	As of and for the Fiscal Years Ended
	March 31, 2020			March 31, 2019			March 31, 2018
(in millions)	Increase (Decrease)
Interest	$	5		$	2		$	2
Interest, net of tax	$	3		$	1		$	2
Accrued penalties	$	(3	)	$	(1	)	$	—
Liability for interest	$	45		$	41		$	40
Liability for interest, net of tax	$	40		$	36		$	36
Liability for penalties	$	21		$	25		$	25

Tax Examination Status

A summary of the tax years that remain subject to examination in certain of the Company’s major tax jurisdictions are:

Jurisdiction:	Tax Years that Remain Subject to Examination (Fiscal Year Ending):
United States – Federal	2008 and forward
United States – Various States	2008 and forward
Australia	2012 and forward
Canada	2006 and forward
France	2015 and forward
Germany	2010 and forward
India	1999 and forward
United Kingdom	2011 and forward