Accounts receivable

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Change In Accounting Estimate, Reduction in Net Income

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Change In Accounting Estimate, Reduction in Operating Income

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Cumulative Quantifying Misstatement Effect of Correction Tax

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Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount

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Period Increase (Decrease) in Outsourcing Contract Costs

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Sum of the amounts paid in advance for capitalized costs which will be expensed with the passage of time or the occurrence of a triggering event; and, the aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet due to materiality considerations. Prepaid expenses and current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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Property and equipment

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No definition available.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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-Subparagraph (SX 210.5-02.20)

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Total increases or decreases in capitalized computer software costs for period.

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Total costs related to services rendered by an entity during the reporting period.

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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The increase (decrease) during the reporting period, excluding the portion taken into income, in the liability reflecting revenue yet to be earned for which cash or other forms of consideration was received or recorded as a receivable.

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The increase (decrease) during the reporting period in the aggregate amount of obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.

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The increase (decrease) during the reporting period in other noncurrent operating assets not separately disclosed in the statement of cash flows.

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No definition available.

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Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

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Amount of damages paid to the plaintiff in the legal matter.

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The net amount of all increases and decreases in unrecognized tax benefits for the period.

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Investigations and Out of Period Adjustments (Narrative) (Details) (USD $)	3 Months Ended								12 Months Ended						36 Months Ended	3 Months Ended	36 Months Ended	3 Months Ended
	Mar. 28, 2014	Dec. 27, 2013	Sep. 27, 2013	Jun. 28, 2013	Mar. 29, 2013	Dec. 28, 2012	Sep. 28, 2012	Jun. 29, 2012	Mar. 28, 2014	Mar. 29, 2013	Mar. 30, 2012	Apr. 01, 2011	Apr. 02, 2010	Apr. 03, 2009	Mar. 28, 2014	Apr. 01, 2011	Apr. 01, 2011	Jan. 02, 2015
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cost of Services									$ 9,272,000,000us-gaap_CostOfServices	$ 11,293,000,000us-gaap_CostOfServices	$ 12,643,000,000us-gaap_CostOfServices
Goodwill impairment									0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss	232,000,000us-gaap_GoodwillImpairmentLoss
Earnings Per Share, Diluted									$ 6.28us-gaap_EarningsPerShareDiluted	$ 4.89us-gaap_EarningsPerShareDiluted	$ (3.97)us-gaap_EarningsPerShareDiluted
Income from continuing operations, net of tax									859,000,000	278,000,000	(778,000,000)
Income (loss) from continuing operations before taxes									1,263,000,000	235,000,000	(992,000,000)
Cumulative Quantifying Misstatement Effect of Correction Tax	0	0	4,000,000	(14,000,000)	7,000,000	4,000,000	2,000,000	2,000,000	(10,000,000)	15,000,000
Discontinued Operation, Tax Effect of Discontinued Operation										3,000,000	82,000,000
Accrued expenses	(1,094,000,000)us-gaap_AccruedLiabilitiesCurrent				(1,425,000,000)us-gaap_AccruedLiabilitiesCurrent				(1,094,000,000)us-gaap_AccruedLiabilitiesCurrent	(1,425,000,000)us-gaap_AccruedLiabilitiesCurrent					(1,094,000,000)us-gaap_AccruedLiabilitiesCurrent
Increase (decrease) in advanced contract payments and deferred revenue									2,000,000	270,000,000	(223,000,000)
Restatement Adjustment [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cost of Services											(36,000,000)	(17,000,000)	22,000,000	25,000,000
Income (loss) from continuing operations before taxes											106,000,000	19,000,000	(59,000,000)	(57,000,000)
Accrued expenses											0	15,000,000	(5,000,000)	(3,000,000)		15,000,000	15,000,000
Adjustments Decrease [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Accounts receivable									1,000,000
Capitalized Computer Software, Period Increase (Decrease)									2,000,000
Period Increase (Decrease) in Outsourcing Contract Costs										1,000,000
Increase (Decrease) in Other Noncurrent Assets									(1,000,000)	5,000,000
Property and equipment									1,000,000	4,000,000
Increase (Decrease) in Employee Related Liabilities									(8,000,000)
Accrued expenses	(18,000,000)								(18,000,000)						(18,000,000)
Increase (decrease) in advanced contract payments and deferred revenue										3,000,000
Adjustments Increase [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Prepaid expenses and other current assets									1,000,000	14,000,000
Capitalized Computer Software, Period Increase (Decrease)										(1,000,000)
Increase (Decrease) in Employee Related Liabilities										9,000,000
Accrued expenses					9,000,000					9,000,000
Increase (decrease) in advanced contract payments and deferred revenue									20,000,000
Adjustment Increase/(Decrease)
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cost of Services									23,000,000	(13,000,000)	7,000,000
Earnings Per Share, Diluted									$ 0.12	$ (0.14)	$ (0.12)
Income (loss) from continuing operations before taxes									(2,000,000)	10,000,000	(22,000,000)
Miscellaneous errors [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cost of Services											12,278,000,000
Goodwill impairment											232,000,000	2,511,000,000
Earnings Per Share, Diluted											$ (2.20)
Income (loss) from continuing operations before taxes											(591,000,000)
Increase (decrease) in advanced contract payments and deferred revenue											(223,000,000)
Miscellaneous errors [Member] \| Restatement Adjustment [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cost of Services											97,000,000
Goodwill impairment											(2,513,000,000)	2,511,000,000
Change in net income											(3,901,000,000)
Earnings Per Share, Diluted											$ 25.17
Income (loss) from continuing operations before taxes											3,896,000,000
Increase (decrease) in advanced contract payments and deferred revenue											24,000,000
Miscellaneous errors [Member] \| Scenario, Previously Reported [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cost of Services									9,567,000,000	11,100,000,000	12,181,000,000
Goodwill impairment											2,745,000,000	0
Earnings Per Share, Diluted									$ 4.47	$ 6.18	$ (27.37)
Income (loss) from continuing operations before taxes									910,000,000	449,000,000	(4,487,000,000)
Accrued expenses	(1,094,000,000)				(1,425,000,000)				(1,094,000,000)	(1,425,000,000)					(1,094,000,000)
Increase (decrease) in advanced contract payments and deferred revenue									2,000,000	270,000,000	(247,000,000)
GIS Segment [Member] \| Miscellaneous errors [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Goodwill impairment											0	2,061,000,000
GIS Segment [Member] \| Miscellaneous errors [Member] \| Restatement Adjustment [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Goodwill impairment											(2,074,000,000)	2,061,000,000
GIS Segment [Member] \| Miscellaneous errors [Member] \| Scenario, Previously Reported [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Goodwill impairment											2,074,000,000	0
Fiscal 2013 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax									(4,000,000)	(6,000,000)					(10,000,000)
Fiscal 2012 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax									6,000,000	16,000,000					22,000,000
Fiscal 2014
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement Effect of Correction Tax									(18,000,000)
Fiscal 2014 \| Fiscal 2014 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax	(1,000,000)	5,000,000	(11,000,000)	9,000,000
Fiscal 2013
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement Effect of Correction Tax									2,000,000	7,000,000
Cumulative effect on income (loss) from continuing opertaions, pre tax					(9,000,000)	(1,000,000)	5,000,000	(1,000,000)		(6,000,000)
Unrecognized Tax Benefits, Period Increase (Decrease)									10,000,000
Fiscal 2013 \| Discrete Tax Benefits
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Quantifying Misstatement Effect of Correction Tax									8,000,000	5,000,000
Contracts Accounted for under Percentage of Completion, U.S. Claims [Member] \| NHS contract [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Change in operating income																1,158,000,000	129,000,000
Change in net income											(3,901,000,000)
Contracts Accounted for under Percentage of Completion, U.S. Claims [Member] \| NHS contract [Member] \| Restatement Adjustment [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cost of Services											(146,000,000)	(37,000,000)	35,000,000	131,000,000
Subsequent Event [Member] \| Contracts Accounted for under Percentage of Completion, U.S. Claims [Member] \| NHS contract [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Penalty related to SEC settlement																		190,000,000
Settlement expense recorded																		$ 197,000,000